Finding the Fourth Proportional to 150,682.50, 207,951.57 and 83,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,682.50 : 207,951.57 = 83,614.50 : x
2. Step 2: Convert to fraction form
   150,682.50/207,951.57 = 83,614.50/x
3. Step 3: Cross multiply
   150,682.50x = 207,951.57 × 83,614.50
4. Step 4: Simplify right side
   150,682.50x = 17,387,766,549.77
5. Step 5: Solve for x
   x = 17,387,766,549.77/150,682.50
6. Step 6: Final answer
   x = 115,393.40