Finding the Fourth Proportional to 116,687.50, 175,057.17 and 42,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,687.50 : 175,057.17 = 42,815.50 : x
2. Step 2: Convert to fraction form
   116,687.50/175,057.17 = 42,815.50/x
3. Step 3: Cross multiply
   116,687.50x = 175,057.17 × 42,815.50
4. Step 4: Simplify right side
   116,687.50x = 7,495,160,262.14
5. Step 5: Solve for x
   x = 7,495,160,262.14/116,687.50
6. Step 6: Final answer
   x = 64,232.76