Finding the Fourth Proportional to 1,494.77, 2,062.72 and 831.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.77 : 2,062.72 = 831.66 : x
2. Step 2: Convert to fraction form
   1,494.77/2,062.72 = 831.66/x
3. Step 3: Cross multiply
   1,494.77x = 2,062.72 × 831.66
4. Step 4: Simplify right side
   1,494.77x = 1,715,481.72
5. Step 5: Solve for x
   x = 1,715,481.72/1,494.77
6. Step 6: Final answer
   x = 1,147.66