Finding the Fourth Proportional to 62,800.24, 86,665.31 and 34,120.47

Step by Step Solution

1. Step 1: Write the proportion equation
   62,800.24 : 86,665.31 = 34,120.47 : x
2. Step 2: Convert to fraction form
   62,800.24/86,665.31 = 34,120.47/x
3. Step 3: Cross multiply
   62,800.24x = 86,665.31 × 34,120.47
4. Step 4: Simplify right side
   62,800.24x = 2,957,061,109.90
5. Step 5: Solve for x
   x = 2,957,061,109.90/62,800.24
6. Step 6: Final answer
   x = 47,086.78