Finding the Fourth Proportional to 1,494.68, 2,062.69 and 831.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.68 : 2,062.69 = 831.52 : x
2. Step 2: Convert to fraction form
   1,494.68/2,062.69 = 831.52/x
3. Step 3: Cross multiply
   1,494.68x = 2,062.69 × 831.52
4. Step 4: Simplify right side
   1,494.68x = 1,715,159.22
5. Step 5: Solve for x
   x = 1,715,159.22/1,494.68
6. Step 6: Final answer
   x = 1,147.51