Finding the Fourth Proportional to 1,494.56, 2,062.48 and 831.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.56 : 2,062.48 = 831.43 : x
2. Step 2: Convert to fraction form
   1,494.56/2,062.48 = 831.43/x
3. Step 3: Cross multiply
   1,494.56x = 2,062.48 × 831.43
4. Step 4: Simplify right side
   1,494.56x = 1,714,793.28
5. Step 5: Solve for x
   x = 1,714,793.28/1,494.56
6. Step 6: Final answer
   x = 1,147.36