678478 ÷ 4 
We're looking to find how many times 4 goes into 678478.

On to step 1:
If we divide 6 by 4, we get 1 and a remainder of 2.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 4 from 6 and we're left with 2.
Fetch the next digit (7) from the dividend, attach it to 2 and continue: 27 / 4

Step 2:
The number 4 fits into 27 6 times, leaving a remainder of 3.
Put 6 as the next digit of the answer. 
Result so far: 16.0
The remainder is 3 after subtracting 24 from 27.
Include the next digit (8) from the dividend after 3, then repeat: 38 / 4

Let's proceed to step 3:
If we divide 38 by 4, we get 9 and a remainder of 2.
The number 9 becomes the next digit in our result. 
Result so far: 169.0
Deduct 36 from 38 and we're left with 2.
Append the next digit (4) from the dividend to 2 and continue with: 24 / 4

Moving on to step 4:
When dividing 24 by 4, we get 6 with a remainder of 0.
The next digit of our result is 6. 
Result so far: 1696.0
If we take 24 away from 24, we end up with 0.
Fetch the next digit (7) from the dividend, attach it to 0 and continue: 7 / 4

Advancing to step 5:
When dividing 7 by 4, we get 1 with a remainder of 3.
Put 1 as the next digit of the answer. 
Result so far: 16961.0
If we subtract 4 from 7, we get 3.
Include the next digit (8) from the dividend after 3, then repeat: 38 / 4

Advancing to step 6:
38 divided by 4 is 9 with a remainder of 2.
The number 9 becomes the next digit in our result. 
Result so far: 169619.0
Deduct 36 from 38 and we're left with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 7:
4 goes into 20 5 times with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 169619.5
The remainder is 0 after subtracting 20 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 8:
When dividing 0 by 4, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 169619.5
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 9:
The number 4 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 169619.5
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 169619.5 with a remainder of 0.0.