Finding the Fourth Proportional to 1,494.14, 2,061.86 and 831.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.14 : 2,061.86 = 831.02 : x
2. Step 2: Convert to fraction form
   1,494.14/2,061.86 = 831.02/x
3. Step 3: Cross multiply
   1,494.14x = 2,061.86 × 831.02
4. Step 4: Simplify right side
   1,494.14x = 1,713,446.90
5. Step 5: Solve for x
   x = 1,713,446.90/1,494.14
6. Step 6: Final answer
   x = 1,146.78