We're dividing 90772139 by 144 
Our goal is to divide 90772139 by 144.

Moving on to step 1:
When dividing 9 by 144, we get 0 with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Fetch the next digit (0) from the dividend, attach it to 9 and continue: 90 / 144

Advancing to step 2:
When dividing 90 by 144, we get 0 with a remainder of 90.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 90, we end up with 90.
Grab the next digit (7) from the dividend, add it to 90, then carry on: 907 / 144

Going ahead to step 3:
144 goes into 907 6 times with a remainder of 43.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Deduct 864 from 907 and we're left with 43.
Grab the next digit (7) from the dividend, add it to 43, then carry on: 437 / 144

Step 4:
437 divided by 144 is 3 with a remainder of 5.
Record the quotient 3 as the next digit in the result. 
Result so far: 63.0
If we subtract 432 from 437, we get 5.
Bring next digit (2) of the dividend behind the 5 and repeat the process: 52 / 144

Step 5:
144 can be fit into 52 0 times, resulting in a remainder of 52.
The next digit of our result is 0. 
Result so far: 630.0
Subtracting 0 from 52 leaves us with 52.
Include the next digit (1) from the dividend after 52, then repeat: 521 / 144

Step 6:
If we divide 521 by 144, we get 3 and a remainder of 89.
Write down 3 as next digit of the result. 
Result so far: 6303.0
The remainder is 89 after subtracting 432 from 521.
Append the next digit (3) from the dividend to 89 and continue with: 893 / 144

Going ahead to step 7:
893 divided by 144 is 6 with a remainder of 29.
Record the quotient 6 as the next digit in the result. 
Result so far: 63036.0
Deduct 864 from 893 and we're left with 29.
Fetch the next digit (9) from the dividend, attach it to 29 and continue: 299 / 144

Moving on to step 8:
If we divide 299 by 144, we get 2 and a remainder of 11.
Put 2 as the next digit of the answer. 
Result so far: 630362.0
Subtracting 288 from 299 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

On to step 9:
The number 144 fits into 110 0 times, leaving a remainder of 110.
Record the quotient 0 as the next digit in the result. 
Result so far: 630362.0
Deduct 0 from 110 and we're left with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Step 10:
When dividing 1100 by 144, we get 7 with a remainder of 92.
The number 7 becomes the next digit in our result. 
Result so far: 630362.07
Deduct 1008 from 1100 and we're left with 92.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

Let's proceed to step 11:
The number 144 fits into 920 6 times, leaving a remainder of 56.
The next digit of our result is 6. 
Result so far: 630362.076
If we take 864 away from 920, we end up with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 12:
144 goes into 560 3 times with a remainder of 128.
The number 3 becomes the next digit in our result. 
Result so far: 630362.0763
Deduct 432 from 560 and we're left with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

On to step 13:
When dividing 1280 by 144, we get 8 with a remainder of 128.
Put 8 as the next digit of the answer. 
Result so far: 630362.07638
If we subtract 1152 from 1280, we get 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Moving on to step 14:
The number 144 fits into 1280 8 times, leaving a remainder of 128.
Put 8 as the next digit of the answer. 
Result so far: 630362.076388
If we subtract 1152 from 1280, we get 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

In conclusion, the division gives 630362.076388 with a balance of 1.28e-05.