Finding the Fourth Proportional to 83,688.52, 115,490.98 and 45,962.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,688.52 : 115,490.98 = 45,962.78 : x
2. Step 2: Convert to fraction form
   83,688.52/115,490.98 = 45,962.78/x
3. Step 3: Cross multiply
   83,688.52x = 115,490.98 × 45,962.78
4. Step 4: Simplify right side
   83,688.52x = 5,308,286,505.72
5. Step 5: Solve for x
   x = 5,308,286,505.72/83,688.52
6. Step 6: Final answer
   x = 63,429.09