Finding the Fourth Proportional to 115,436.34, 172,957.41 and 62,751.78

Step by Step Solution

1. Step 1: Write the proportion equation
   115,436.34 : 172,957.41 = 62,751.78 : x
2. Step 2: Convert to fraction form
   115,436.34/172,957.41 = 62,751.78/x
3. Step 3: Cross multiply
   115,436.34x = 172,957.41 × 62,751.78
4. Step 4: Simplify right side
   115,436.34x = 10,853,385,341.69
5. Step 5: Solve for x
   x = 10,853,385,341.69/115,436.34
6. Step 6: Final answer
   x = 94,020.53