Finding the Fourth Proportional to 62,680.38, 86,498.67 and 34,387.86

Step by Step Solution

1. Step 1: Write the proportion equation
   62,680.38 : 86,498.67 = 34,387.86 : x
2. Step 2: Convert to fraction form
   62,680.38/86,498.67 = 34,387.86/x
3. Step 3: Cross multiply
   62,680.38x = 86,498.67 × 34,387.86
4. Step 4: Simplify right side
   62,680.38x = 2,974,504,154.15
5. Step 5: Solve for x
   x = 2,974,504,154.15/62,680.38
6. Step 6: Final answer
   x = 47,455.11