Finding the Fourth Proportional to 117,155.49, 175,696.87 and 42,265.87

Step by Step Solution

1. Step 1: Write the proportion equation
   117,155.49 : 175,696.87 = 42,265.87 : x
2. Step 2: Convert to fraction form
   117,155.49/175,696.87 = 42,265.87/x
3. Step 3: Cross multiply
   117,155.49x = 175,696.87 × 42,265.87
4. Step 4: Simplify right side
   117,155.49x = 7,425,981,470.59
5. Step 5: Solve for x
   x = 7,425,981,470.59/117,155.49
6. Step 6: Final answer
   x = 63,385.69