Finding the Fourth Proportional to 1,494.75, 2,062.82 and 831.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.75 : 2,062.82 = 831.61 : x
2. Step 2: Convert to fraction form
   1,494.75/2,062.82 = 831.61/x
3. Step 3: Cross multiply
   1,494.75x = 2,062.82 × 831.61
4. Step 4: Simplify right side
   1,494.75x = 1,715,466.40
5. Step 5: Solve for x
   x = 1,715,466.40/1,494.75
6. Step 6: Final answer
   x = 1,147.66