99604 ÷ 5 = 19920 R4
We're going to perform division on 99604 with 5 as the divisor.

Step 1:
5 goes into 9 1 times with a remainder of 4.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 5 from 9 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 5

Step 2:
5 goes into 49 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 19
Subtract 45 from 49 to get 4.
Bring next digit (6) of the dividend behind the 4 and repeat the process: 46 / 5

Step 3:
5 goes into 46 9 times with a remainder of 1.
Write down 9 as next digit of of the result. 
Result so far: 199
Subtract 45 from 46 to get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 5

Step 4:
5 goes into 10 2 times with a remainder of 0.
Write down 2 as next digit of of the result. 
Result so far: 1992
Subtract 10 from 10 to get 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 5

Step 5:
5 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of of the result. 
Result so far: 19920
Subtract 0 from 4 to get 4.

The final result is 19920 with a remainder of 4.