Finding the Fourth Proportional to 1,461.39, 2,016.60 and 831.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.39 : 2,016.60 = 831.92 : x
2. Step 2: Convert to fraction form
   1,461.39/2,016.60 = 831.92/x
3. Step 3: Cross multiply
   1,461.39x = 2,016.60 × 831.92
4. Step 4: Simplify right side
   1,461.39x = 1,677,652.69
5. Step 5: Solve for x
   x = 1,677,652.69/1,461.39
6. Step 6: Final answer
   x = 1,147.99