Finding the Fourth Proportional to 1,494.39, 2,062.06 and 831.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.39 : 2,062.06 = 831.23 : x
2. Step 2: Convert to fraction form
   1,494.39/2,062.06 = 831.23/x
3. Step 3: Cross multiply
   1,494.39x = 2,062.06 × 831.23
4. Step 4: Simplify right side
   1,494.39x = 1,714,033.75
5. Step 5: Solve for x
   x = 1,714,033.75/1,494.39
6. Step 6: Final answer
   x = 1,146.98