Finding the Fourth Proportional to 3,951.47, 5,451.33 and 2,272.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.47 : 5,451.33 = 2,272.49 : x
2. Step 2: Convert to fraction form
   3,951.47/5,451.33 = 2,272.49/x
3. Step 3: Cross multiply
   3,951.47x = 5,451.33 × 2,272.49
4. Step 4: Simplify right side
   3,951.47x = 12,388,092.91
5. Step 5: Solve for x
   x = 12,388,092.91/3,951.47
6. Step 6: Final answer
   x = 3,135.06