Finding the Fourth Proportional to 82,939.52, 114,456.56 and 47,129.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,939.52 : 114,456.56 = 47,129.56 : x
2. Step 2: Convert to fraction form
   82,939.52/114,456.56 = 47,129.56/x
3. Step 3: Cross multiply
   82,939.52x = 114,456.56 × 47,129.56
4. Step 4: Simplify right side
   82,939.52x = 5,394,287,311.91
5. Step 5: Solve for x
   x = 5,394,287,311.91/82,939.52
6. Step 6: Final answer
   x = 65,038.81