Finding the Fourth Proportional to 62,422.16, 86,118.30 and 39,757.10

Step by Step Solution

1. Step 1: Write the proportion equation
   62,422.16 : 86,118.30 = 39,757.10 : x
2. Step 2: Convert to fraction form
   62,422.16/86,118.30 = 39,757.10/x
3. Step 3: Cross multiply
   62,422.16x = 86,118.30 × 39,757.10
4. Step 4: Simplify right side
   62,422.16x = 3,423,813,434.34
5. Step 5: Solve for x
   x = 3,423,813,434.34/62,422.16
6. Step 6: Final answer
   x = 54,849.33