Finding the Fourth Proportional to 62,729.78, 86,566.92 and 34,434.86

Step by Step Solution

1. Step 1: Write the proportion equation
   62,729.78 : 86,566.92 = 34,434.86 : x
2. Step 2: Convert to fraction form
   62,729.78/86,566.92 = 34,434.86/x
3. Step 3: Cross multiply
   62,729.78x = 86,566.92 × 34,434.86
4. Step 4: Simplify right side
   62,729.78x = 2,980,919,770.83
5. Step 5: Solve for x
   x = 2,980,919,770.83/62,729.78
6. Step 6: Final answer
   x = 47,520.01