Finding the Fourth Proportional to 62,422.56, 86,143.12 and 34,128.24

Step by Step Solution

1. Step 1: Write the proportion equation
   62,422.56 : 86,143.12 = 34,128.24 : x
2. Step 2: Convert to fraction form
   62,422.56/86,143.12 = 34,128.24/x
3. Step 3: Cross multiply
   62,422.56x = 86,143.12 × 34,128.24
4. Step 4: Simplify right side
   62,422.56x = 2,939,913,073.71
5. Step 5: Solve for x
   x = 2,939,913,073.71/62,422.56
6. Step 6: Final answer
   x = 47,096.96