Finding the Fourth Proportional to 62,435.71, 86,185.11 and 42,396.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62,435.71 : 86,185.11 = 42,396.31 : x
2. Step 2: Convert to fraction form
   62,435.71/86,185.11 = 42,396.31/x
3. Step 3: Cross multiply
   62,435.71x = 86,185.11 × 42,396.31
4. Step 4: Simplify right side
   62,435.71x = 3,653,930,640.94
5. Step 5: Solve for x
   x = 3,653,930,640.94/62,435.71
6. Step 6: Final answer
   x = 58,523.09