381723 divided by 90 
We want to figure out the number of times 381723 can be divided by 90.

Going ahead to step 1:
90 goes into 3 0 times with a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 90

On to step 2:
90 can be fit into 38 0 times, resulting in a remainder of 38.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 38 after subtracting 0 from 38.
Append the next digit (1) from the dividend to 38 and continue with: 381 / 90

Going ahead to step 3:
90 goes into 381 4 times with a remainder of 21.
Write down 4 as next digit of the result. 
Result so far: 4.0
Subtract 360 from 381 to get 21.
Append the next digit (7) from the dividend to 21 and continue with: 217 / 90

Let's proceed to step 4:
90 can be fit into 217 2 times, resulting in a remainder of 37.
The number 2 becomes the next digit in our result. 
Result so far: 42.0
The remainder is 37 after subtracting 180 from 217.
Include the next digit (2) from the dividend after 37, then repeat: 372 / 90

Let's proceed to step 5:
372 divided by 90 is 4 with a remainder of 12.
Put 4 as the next digit of the answer. 
Result so far: 424.0
Deduct 360 from 372 and we're left with 12.
Include the next digit (3) from the dividend after 12, then repeat: 123 / 90

Let's proceed to step 6:
If we divide 123 by 90, we get 1 and a remainder of 33.
Write down 1 as next digit of the result. 
Result so far: 4241.0
If we subtract 90 from 123, we get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

On to step 7:
The number 90 fits into 330 3 times, leaving a remainder of 60.
Write down 3 as next digit of the result. 
Result so far: 4241.3
Subtract 270 from 330 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Let's proceed to step 8:
The number 90 fits into 600 6 times, leaving a remainder of 60.
Record the quotient 6 as the next digit in the result. 
Result so far: 4241.36
The remainder is 60 after subtracting 540 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 9:
If we divide 600 by 90, we get 6 and a remainder of 60.
The next digit of our result is 6. 
Result so far: 4241.366
If we subtract 540 from 600, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

The final result is 4241.366 with a remainder of 0.006.