Finding the Fourth Proportional to 3,951.48, 5,451.32 and 2,272.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.48 : 5,451.32 = 2,272.52 : x
2. Step 2: Convert to fraction form
   3,951.48/5,451.32 = 2,272.52/x
3. Step 3: Cross multiply
   3,951.48x = 5,451.32 × 2,272.52
4. Step 4: Simplify right side
   3,951.48x = 12,388,233.73
5. Step 5: Solve for x
   x = 12,388,233.73/3,951.48
6. Step 6: Final answer
   x = 3,135.09