Finding the Fourth Proportional to 9,296.40, 12,831.32 and 5,757.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,296.40 : 12,831.32 = 5,757.52 : x
2. Step 2: Convert to fraction form
   9,296.40/12,831.32 = 5,757.52/x
3. Step 3: Cross multiply
   9,296.40x = 12,831.32 × 5,757.52
4. Step 4: Simplify right side
   9,296.40x = 73,876,581.53
5. Step 5: Solve for x
   x = 73,876,581.53/9,296.40
6. Step 6: Final answer
   x = 7,946.79