We divide 478191 by 87
We want to figure out the number of times 478191 can be divided by 87.

Going ahead to step 1:
4 divided by 87 is 0 with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Grab the next digit (7) from the dividend, add it to 4, then carry on: 47 / 87

Let's proceed to step 2:
If we divide 47 by 87, we get 0 and a remainder of 47.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 47, we end up with 47.
Fetch the next digit (8) from the dividend, attach it to 47 and continue: 478 / 87

On to step 3:
When dividing 478 by 87, we get 5 with a remainder of 43.
Use 5 as the next digit of our solution. 
Result so far: 5.0
The remainder is 43 after subtracting 435 from 478.
Include the next digit (1) from the dividend after 43, then repeat: 431 / 87

Advancing to step 4:
431 divided by 87 is 4 with a remainder of 83.
The next digit of our result is 4. 
Result so far: 54.0
Subtracting 348 from 431 leaves us with 83.
Append the next digit (9) from the dividend to 83 and continue with: 839 / 87

Step 5:
87 goes into 839 9 times with a remainder of 56.
The number 9 becomes the next digit in our result. 
Result so far: 549.0
Subtracting 783 from 839 leaves us with 56.
Append the next digit (1) from the dividend to 56 and continue with: 561 / 87

Moving on to step 6:
561 divided by 87 is 6 with a remainder of 39.
Write down 6 as next digit of the result. 
Result so far: 5496.0
If we take 522 away from 561, we end up with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Step 7:
87 can be fit into 390 4 times, resulting in a remainder of 42.
The next digit of our result is 4. 
Result so far: 5496.4
If we subtract 348 from 390, we get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

On to step 8:
When dividing 420 by 87, we get 4 with a remainder of 72.
Put 4 as the next digit of the answer. 
Result so far: 5496.44
The remainder is 72 after subtracting 348 from 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

After the division, we end up with 5496.44 and a remainder of 0.072.