Finding the Fourth Proportional to 62,419.57, 86,139 and 34,125.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,419.57 : 86,139 = 34,125.25 : x
2. Step 2: Convert to fraction form
   62,419.57/86,139 = 34,125.25/x
3. Step 3: Cross multiply
   62,419.57x = 86,139 × 34,125.25
4. Step 4: Simplify right side
   62,419.57x = 2,939,514,909.75
5. Step 5: Solve for x
   x = 2,939,514,909.75/62,419.57
6. Step 6: Final answer
   x = 47,092.84