We look at the division of 84170099 by 784 
We're looking to find how many times 784 goes into 84170099.

Moving on to step 1:
When dividing 8 by 784, we get 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Grab the next digit (4) from the dividend, add it to 8, then carry on: 84 / 784

Going ahead to step 2:
If we divide 84 by 784, we get 0 and a remainder of 84.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 84 to get 84.
Take the next digit (1) from the dividend and append it to 84, then repeat: 841 / 784

Let's proceed to step 3:
If we divide 841 by 784, we get 1 and a remainder of 57.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 784 from 841 and we're left with 57.
Take the next digit (7) from the dividend and append it to 57, then repeat: 577 / 784

Going ahead to step 4:
If we divide 577 by 784, we get 0 and a remainder of 577.
Use 0 as the next digit of our solution. 
Result so far: 10.0
Subtracting 0 from 577 leaves us with 577.
Fetch the next digit (0) from the dividend, attach it to 577 and continue: 5770 / 784

Let's proceed to step 5:
784 can be fit into 5770 7 times, resulting in a remainder of 282.
Use 7 as the next digit of our solution. 
Result so far: 107.0
The remainder is 282 after subtracting 5488 from 5770.
Include the next digit (0) from the dividend after 282, then repeat: 2820 / 784

Going ahead to step 6:
784 can be fit into 2820 3 times, resulting in a remainder of 468.
Write down 3 as next digit of the result. 
Result so far: 1073.0
Deduct 2352 from 2820 and we're left with 468.
Grab the next digit (9) from the dividend, add it to 468, then carry on: 4689 / 784

On to step 7:
The number 784 fits into 4689 5 times, leaving a remainder of 769.
Use 5 as the next digit of our solution. 
Result so far: 10735.0
If we take 3920 away from 4689, we end up with 769.
Bring next digit (9) of the dividend behind the 769 and repeat the process: 7699 / 784

Advancing to step 8:
784 can be fit into 7699 9 times, resulting in a remainder of 643.
The next digit of our result is 9. 
Result so far: 107359.0
Subtracting 7056 from 7699 leaves us with 643.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6430, and continue the process.

Let's proceed to step 9:
784 goes into 6430 8 times with a remainder of 158.
Record the quotient 8 as the next digit in the result. 
Result so far: 107359.8
The remainder is 158 after subtracting 6272 from 6430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

Step 10:
784 can be fit into 1580 2 times, resulting in a remainder of 12.
The next digit of our result is 2. 
Result so far: 107359.82
Subtract 1568 from 1580 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 11:
120 divided by 784 is 0 with a remainder of 120.
Put 0 as the next digit of the answer. 
Result so far: 107359.82
If we subtract 0 from 120, we get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Step 12:
When dividing 1200 by 784, we get 1 with a remainder of 416.
The next digit of our result is 1. 
Result so far: 107359.8201
Subtract 784 from 1200 to get 416.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4160, and continue the process.

Advancing to step 13:
If we divide 4160 by 784, we get 5 and a remainder of 240.
Write down 5 as next digit of the result. 
Result so far: 107359.82015
Deduct 3920 from 4160 and we're left with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Advancing to step 14:
When dividing 2400 by 784, we get 3 with a remainder of 48.
The next digit of our result is 3. 
Result so far: 107359.820153
Subtract 2352 from 2400 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Step 15:
The number 784 fits into 480 0 times, leaving a remainder of 480.
Write down 0 as next digit of the result. 
Result so far: 107359.820153
Deduct 0 from 480 and we're left with 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

Moving on to step 16:
If we divide 4800 by 784, we get 6 and a remainder of 96.
Write down 6 as next digit of the result. 
Result so far: 107359.82015306
If we take 4704 away from 4800, we end up with 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

After the division, we end up with 107359.82015306 and a remainder of 9.6e-08.