Finding the Fourth Proportional to 1,461.11, 2,016.27 and 831.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.11 : 2,016.27 = 831.67 : x
2. Step 2: Convert to fraction form
   1,461.11/2,016.27 = 831.67/x
3. Step 3: Cross multiply
   1,461.11x = 2,016.27 × 831.67
4. Step 4: Simplify right side
   1,461.11x = 1,676,863.89
5. Step 5: Solve for x
   x = 1,676,863.89/1,461.11
6. Step 6: Final answer
   x = 1,147.66