Finding the Fourth Proportional to 2,550.24, 3,819.20 and 1,451.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.24 : 3,819.20 = 1,451.28 : x
2. Step 2: Convert to fraction form
   2,550.24/3,819.20 = 1,451.28/x
3. Step 3: Cross multiply
   2,550.24x = 3,819.20 × 1,451.28
4. Step 4: Simplify right side
   2,550.24x = 5,542,721.32
5. Step 5: Solve for x
   x = 5,542,721.32/2,550.24
6. Step 6: Final answer
   x = 2,173.41