Finding the Fourth Proportional to 72,650.43, 108,772.62 and 39,250.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,650.43 : 108,772.62 = 39,250.82 : x
2. Step 2: Convert to fraction form
   72,650.43/108,772.62 = 39,250.82/x
3. Step 3: Cross multiply
   72,650.43x = 108,772.62 × 39,250.82
4. Step 4: Simplify right side
   72,650.43x = 4,269,413,984.69
5. Step 5: Solve for x
   x = 4,269,413,984.69/72,650.43
6. Step 6: Final answer
   x = 58,766.53