Finding the Fourth Proportional to 1,494.69, 2,062.59 and 831.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.69 : 2,062.59 = 831.42 : x
2. Step 2: Convert to fraction form
   1,494.69/2,062.59 = 831.42/x
3. Step 3: Cross multiply
   1,494.69x = 2,062.59 × 831.42
4. Step 4: Simplify right side
   1,494.69x = 1,714,868.26
5. Step 5: Solve for x
   x = 1,714,868.26/1,494.69
6. Step 6: Final answer
   x = 1,147.31