Finding the Fourth Proportional to 57,150.24, 78,864.72 and 31,654.92

Step by Step Solution

1. Step 1: Write the proportion equation
   57,150.24 : 78,864.72 = 31,654.92 : x
2. Step 2: Convert to fraction form
   57,150.24/78,864.72 = 31,654.92/x
3. Step 3: Cross multiply
   57,150.24x = 78,864.72 × 31,654.92
4. Step 4: Simplify right side
   57,150.24x = 2,496,456,402.42
5. Step 5: Solve for x
   x = 2,496,456,402.42/57,150.24
6. Step 6: Final answer
   x = 43,682.34