Finding the Fourth Proportional to 1,461.05, 2,016.43 and 831.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.05 : 2,016.43 = 831.73 : x
2. Step 2: Convert to fraction form
   1,461.05/2,016.43 = 831.73/x
3. Step 3: Cross multiply
   1,461.05x = 2,016.43 × 831.73
4. Step 4: Simplify right side
   1,461.05x = 1,677,130.36
5. Step 5: Solve for x
   x = 1,677,130.36/1,461.05
6. Step 6: Final answer
   x = 1,147.89