Finding the Fourth Proportional to 1,494.32, 2,062.18 and 831.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.32 : 2,062.18 = 831.18 : x
2. Step 2: Convert to fraction form
   1,494.32/2,062.18 = 831.18/x
3. Step 3: Cross multiply
   1,494.32x = 2,062.18 × 831.18
4. Step 4: Simplify right side
   1,494.32x = 1,714,042.77
5. Step 5: Solve for x
   x = 1,714,042.77/1,494.32
6. Step 6: Final answer
   x = 1,147.04