Finding the Fourth Proportional to 2,550.24, 3,826.80 and 1,251.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.24 : 3,826.80 = 1,251.72 : x
2. Step 2: Convert to fraction form
   2,550.24/3,826.80 = 1,251.72/x
3. Step 3: Cross multiply
   2,550.24x = 3,826.80 × 1,251.72
4. Step 4: Simplify right side
   2,550.24x = 4,790,082.10
5. Step 5: Solve for x
   x = 4,790,082.10/2,550.24
6. Step 6: Final answer
   x = 1,878.29