Finding the Fourth Proportional to 9,308.29, 12,847.71 and 5,724.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.29 : 12,847.71 = 5,724.13 : x
2. Step 2: Convert to fraction form
   9,308.29/12,847.71 = 5,724.13/x
3. Step 3: Cross multiply
   9,308.29x = 12,847.71 × 5,724.13
4. Step 4: Simplify right side
   9,308.29x = 73,541,962.24
5. Step 5: Solve for x
   x = 73,541,962.24/9,308.29
6. Step 6: Final answer
   x = 7,900.70