Finding the Fourth Proportional to 1,494.73, 2,062.77 and 831.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.73 : 2,062.77 = 831.63 : x
2. Step 2: Convert to fraction form
   1,494.73/2,062.77 = 831.63/x
3. Step 3: Cross multiply
   1,494.73x = 2,062.77 × 831.63
4. Step 4: Simplify right side
   1,494.73x = 1,715,451.10
5. Step 5: Solve for x
   x = 1,715,451.10/1,494.73
6. Step 6: Final answer
   x = 1,147.67