Finding the Fourth Proportional to 95,440.31, 131,719.71 and 57,714.47

Step by Step Solution

1. Step 1: Write the proportion equation
   95,440.31 : 131,719.71 = 57,714.47 : x
2. Step 2: Convert to fraction form
   95,440.31/131,719.71 = 57,714.47/x
3. Step 3: Cross multiply
   95,440.31x = 131,719.71 × 57,714.47
4. Step 4: Simplify right side
   95,440.31x = 7,602,132,592.61
5. Step 5: Solve for x
   x = 7,602,132,592.61/95,440.31
6. Step 6: Final answer
   x = 79,653.27