Finding the Fourth Proportional to 83,745.27, 125,515.71 and 39,312.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,745.27 : 125,515.71 = 39,312.72 : x
2. Step 2: Convert to fraction form
   83,745.27/125,515.71 = 39,312.72/x
3. Step 3: Cross multiply
   83,745.27x = 125,515.71 × 39,312.72
4. Step 4: Simplify right side
   83,745.27x = 4,934,363,962.83
5. Step 5: Solve for x
   x = 4,934,363,962.83/83,745.27
6. Step 6: Final answer
   x = 58,921.11