Finding the Fourth Proportional to 62,428.50, 86,151.36 and 34,134.42

Step by Step Solution

1. Step 1: Write the proportion equation
   62,428.50 : 86,151.36 = 34,134.42 : x
2. Step 2: Convert to fraction form
   62,428.50/86,151.36 = 34,134.42/x
3. Step 3: Cross multiply
   62,428.50x = 86,151.36 × 34,134.42
4. Step 4: Simplify right side
   62,428.50x = 2,940,726,705.81
5. Step 5: Solve for x
   x = 2,940,726,705.81/62,428.50
6. Step 6: Final answer
   x = 47,105.52