Finding the Fourth Proportional to 103,086.96, 142,260.02 and 62,800.71

Step by Step Solution

1. Step 1: Write the proportion equation
   103,086.96 : 142,260.02 = 62,800.71 : x
2. Step 2: Convert to fraction form
   103,086.96/142,260.02 = 62,800.71/x
3. Step 3: Cross multiply
   103,086.96x = 142,260.02 × 62,800.71
4. Step 4: Simplify right side
   103,086.96x = 8,934,030,260.61
5. Step 5: Solve for x
   x = 8,934,030,260.61/103,086.96
6. Step 6: Final answer
   x = 86,664.99