Finding the Fourth Proportional to 2,498.16, 3,746.32 and 831.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.16 : 3,746.32 = 831.98 : x
2. Step 2: Convert to fraction form
   2,498.16/3,746.32 = 831.98/x
3. Step 3: Cross multiply
   2,498.16x = 3,746.32 × 831.98
4. Step 4: Simplify right side
   2,498.16x = 3,116,863.31
5. Step 5: Solve for x
   x = 3,116,863.31/2,498.16
6. Step 6: Final answer
   x = 1,247.66