Finding the Fourth Proportional to 4,168.55, 5,752.61 and 2,280.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,168.55 : 5,752.61 = 2,280.30 : x
2. Step 2: Convert to fraction form
   4,168.55/5,752.61 = 2,280.30/x
3. Step 3: Cross multiply
   4,168.55x = 5,752.61 × 2,280.30
4. Step 4: Simplify right side
   4,168.55x = 13,117,665.18
5. Step 5: Solve for x
   x = 13,117,665.18/4,168.55
6. Step 6: Final answer
   x = 3,146.82