Finding the Fourth Proportional to 1,494.87, 2,062.82 and 831.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.87 : 2,062.82 = 831.69 : x
2. Step 2: Convert to fraction form
   1,494.87/2,062.82 = 831.69/x
3. Step 3: Cross multiply
   1,494.87x = 2,062.82 × 831.69
4. Step 4: Simplify right side
   1,494.87x = 1,715,622.61
5. Step 5: Solve for x
   x = 1,715,622.61/1,494.87
6. Step 6: Final answer
   x = 1,147.67