88303 ÷ 9 = 9811 R4
Alright, let's work through the division of 88303 by 9 step by step.

Step 1:
9 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 8 to get 8.
Bring next digit (8) of the dividend behind the 8 and repeat the process: 88 / 9

Step 2:
9 goes into 88 9 times with a remainder of 7.
Write down 9 as next digit of of the result. 
Result so far: 9
Subtract 81 from 88 to get 7.
Bring next digit (3) of the dividend behind the 7 and repeat the process: 73 / 9

Step 3:
9 goes into 73 8 times with a remainder of 1.
Write down 8 as next digit of of the result. 
Result so far: 98
Subtract 72 from 73 to get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 9

Step 4:
9 goes into 10 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 981
Subtract 9 from 10 to get 1.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 9

Step 5:
9 goes into 13 1 times with a remainder of 4.
Write down 1 as next digit of of the result. 
Result so far: 9811
Subtract 9 from 13 to get 4.

The final result is 9811 with a remainder of 4.