Finding the Fourth Proportional to 5,498.39, 8,243.92 and 2,831.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.39 : 8,243.92 = 2,831.72 : x
2. Step 2: Convert to fraction form
   5,498.39/8,243.92 = 2,831.72/x
3. Step 3: Cross multiply
   5,498.39x = 8,243.92 × 2,831.72
4. Step 4: Simplify right side
   5,498.39x = 23,344,435.46
5. Step 5: Solve for x
   x = 23,344,435.46/5,498.39
6. Step 6: Final answer
   x = 4,245.68