Finding the Fourth Proportional to 62,884.50, 86,759.43 and 42,706.38

Step by Step Solution

1. Step 1: Write the proportion equation
   62,884.50 : 86,759.43 = 42,706.38 : x
2. Step 2: Convert to fraction form
   62,884.50/86,759.43 = 42,706.38/x
3. Step 3: Cross multiply
   62,884.50x = 86,759.43 × 42,706.38
4. Step 4: Simplify right side
   62,884.50x = 3,705,181,186.16
5. Step 5: Solve for x
   x = 3,705,181,186.16/62,884.50
6. Step 6: Final answer
   x = 58,920.42