Finding the Fourth Proportional to 62,871.12, 86,760.72 and 34,576.20

Step by Step Solution

1. Step 1: Write the proportion equation
   62,871.12 : 86,760.72 = 34,576.20 : x
2. Step 2: Convert to fraction form
   62,871.12/86,760.72 = 34,576.20/x
3. Step 3: Cross multiply
   62,871.12x = 86,760.72 × 34,576.20
4. Step 4: Simplify right side
   62,871.12x = 2,999,856,006.86
5. Step 5: Solve for x
   x = 2,999,856,006.86/62,871.12
6. Step 6: Final answer
   x = 47,714.37