Finding the Fourth Proportional to 4,144.81, 5,719.98 and 2,256.55

Step by Step Solution

1. Step 1: Write the proportion equation
   4,144.81 : 5,719.98 = 2,256.55 : x
2. Step 2: Convert to fraction form
   4,144.81/5,719.98 = 2,256.55/x
3. Step 3: Cross multiply
   4,144.81x = 5,719.98 × 2,256.55
4. Step 4: Simplify right side
   4,144.81x = 12,907,420.87
5. Step 5: Solve for x
   x = 12,907,420.87/4,144.81
6. Step 6: Final answer
   x = 3,114.12