Finding the Fourth Proportional to 2,002.71, 3,003.26 and 831.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.71 : 3,003.26 = 831.92 : x
2. Step 2: Convert to fraction form
   2,002.71/3,003.26 = 831.92/x
3. Step 3: Cross multiply
   2,002.71x = 3,003.26 × 831.92
4. Step 4: Simplify right side
   2,002.71x = 2,498,452.88
5. Step 5: Solve for x
   x = 2,498,452.88/2,002.71
6. Step 6: Final answer
   x = 1,247.54