Finding the Fourth Proportional to 62,872.64, 86,766.06 and 34,580.15

Step by Step Solution

1. Step 1: Write the proportion equation
   62,872.64 : 86,766.06 = 34,580.15 : x
2. Step 2: Convert to fraction form
   62,872.64/86,766.06 = 34,580.15/x
3. Step 3: Cross multiply
   62,872.64x = 86,766.06 × 34,580.15
4. Step 4: Simplify right side
   62,872.64x = 3,000,383,369.71
5. Step 5: Solve for x
   x = 3,000,383,369.71/62,872.64
6. Step 6: Final answer
   x = 47,721.61