Finding the Fourth Proportional to 4,025.12, 5,554.16 and 2,256.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,025.12 : 5,554.16 = 2,256.72 : x
2. Step 2: Convert to fraction form
   4,025.12/5,554.16 = 2,256.72/x
3. Step 3: Cross multiply
   4,025.12x = 5,554.16 × 2,256.72
4. Step 4: Simplify right side
   4,025.12x = 12,534,183.96
5. Step 5: Solve for x
   x = 12,534,183.96/4,025.12
6. Step 6: Final answer
   x = 3,113.99