Finding the Fourth Proportional to 1,494.45, 2,062.43 and 831.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.45 : 2,062.43 = 831.33 : x
2. Step 2: Convert to fraction form
   1,494.45/2,062.43 = 831.33/x
3. Step 3: Cross multiply
   1,494.45x = 2,062.43 × 831.33
4. Step 4: Simplify right side
   1,494.45x = 1,714,559.93
5. Step 5: Solve for x
   x = 1,714,559.93/1,494.45
6. Step 6: Final answer
   x = 1,147.28