Finding the Fourth Proportional to 1,494.32, 2,061.99 and 831.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.32 : 2,061.99 = 831.06 : x
2. Step 2: Convert to fraction form
   1,494.32/2,061.99 = 831.06/x
3. Step 3: Cross multiply
   1,494.32x = 2,061.99 × 831.06
4. Step 4: Simplify right side
   1,494.32x = 1,713,637.41
5. Step 5: Solve for x
   x = 1,713,637.41/1,494.32
6. Step 6: Final answer
   x = 1,146.77