Finding the Fourth Proportional to 9,298.20, 12,831.15 and 5,761.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,298.20 : 12,831.15 = 5,761.35 : x
2. Step 2: Convert to fraction form
   9,298.20/12,831.15 = 5,761.35/x
3. Step 3: Cross multiply
   9,298.20x = 12,831.15 × 5,761.35
4. Step 4: Simplify right side
   9,298.20x = 73,924,746.05
5. Step 5: Solve for x
   x = 73,924,746.05/9,298.20
6. Step 6: Final answer
   x = 7,950.44