Finding the Fourth Proportional to 2,831.10, 3,906.27 and 1,651.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.10 : 3,906.27 = 1,651.47 : x
2. Step 2: Convert to fraction form
   2,831.10/3,906.27 = 1,651.47/x
3. Step 3: Cross multiply
   2,831.10x = 3,906.27 × 1,651.47
4. Step 4: Simplify right side
   2,831.10x = 6,451,087.72
5. Step 5: Solve for x
   x = 6,451,087.72/2,831.10
6. Step 6: Final answer
   x = 2,278.65