Finding the Fourth Proportional to 62,457.31, 86,189.31 and 34,162.39

Step by Step Solution

1. Step 1: Write the proportion equation
   62,457.31 : 86,189.31 = 34,162.39 : x
2. Step 2: Convert to fraction form
   62,457.31/86,189.31 = 34,162.39/x
3. Step 3: Cross multiply
   62,457.31x = 86,189.31 × 34,162.39
4. Step 4: Simplify right side
   62,457.31x = 2,944,432,822.05
5. Step 5: Solve for x
   x = 2,944,432,822.05/62,457.31
6. Step 6: Final answer
   x = 47,143.13