Finding the Fourth Proportional to 62,909.64, 86,815.29 and 34,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,909.64 : 86,815.29 = 34,614.72 : x
2. Step 2: Convert to fraction form
   62,909.64/86,815.29 = 34,614.72/x
3. Step 3: Cross multiply
   62,909.64x = 86,815.29 × 34,614.72
4. Step 4: Simplify right side
   62,909.64x = 3,005,086,955.07
5. Step 5: Solve for x
   x = 3,005,086,955.07/62,909.64
6. Step 6: Final answer
   x = 47,768.31