Finding the Fourth Proportional to 1,494.82, 2,062.92 and 831.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.82 : 2,062.92 = 831.65 : x
2. Step 2: Convert to fraction form
   1,494.82/2,062.92 = 831.65/x
3. Step 3: Cross multiply
   1,494.82x = 2,062.92 × 831.65
4. Step 4: Simplify right side
   1,494.82x = 1,715,627.42
5. Step 5: Solve for x
   x = 1,715,627.42/1,494.82
6. Step 6: Final answer
   x = 1,147.72