Finding the Fourth Proportional to 1,494.56, 2,062.23 and 831.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.56 : 2,062.23 = 831.35 : x
2. Step 2: Convert to fraction form
   1,494.56/2,062.23 = 831.35/x
3. Step 3: Cross multiply
   1,494.56x = 2,062.23 × 831.35
4. Step 4: Simplify right side
   1,494.56x = 1,714,434.91
5. Step 5: Solve for x
   x = 1,714,434.91/1,494.56
6. Step 6: Final answer
   x = 1,147.12