Finding the Fourth Proportional to 62,755.41, 86,544.61 and 42,642.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,755.41 : 86,544.61 = 42,642.30 : x
2. Step 2: Convert to fraction form
   62,755.41/86,544.61 = 42,642.30/x
3. Step 3: Cross multiply
   62,755.41x = 86,544.61 × 42,642.30
4. Step 4: Simplify right side
   62,755.41x = 3,690,461,223.00
5. Step 5: Solve for x
   x = 3,690,461,223.00/62,755.41
6. Step 6: Final answer
   x = 58,807.06