Finding the Fourth Proportional to 83,205.72, 124,851.78 and 63,610.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,205.72 : 124,851.78 = 63,610.20 : x
2. Step 2: Convert to fraction form
   83,205.72/124,851.78 = 63,610.20/x
3. Step 3: Cross multiply
   83,205.72x = 124,851.78 × 63,610.20
4. Step 4: Simplify right side
   83,205.72x = 7,941,846,696.16
5. Step 5: Solve for x
   x = 7,941,846,696.16/83,205.72
6. Step 6: Final answer
   x = 95,448.33