Finding the Fourth Proportional to 1,460.55, 2,015.61 and 831.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,460.55 : 2,015.61 = 831.07 : x
2. Step 2: Convert to fraction form
   1,460.55/2,015.61 = 831.07/x
3. Step 3: Cross multiply
   1,460.55x = 2,015.61 × 831.07
4. Step 4: Simplify right side
   1,460.55x = 1,675,113.00
5. Step 5: Solve for x
   x = 1,675,113.00/1,460.55
6. Step 6: Final answer
   x = 1,146.91