Finding the Fourth Proportional to 4,048.62, 5,586.72 and 2,280.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,048.62 : 5,586.72 = 2,280.12 : x
2. Step 2: Convert to fraction form
   4,048.62/5,586.72 = 2,280.12/x
3. Step 3: Cross multiply
   4,048.62x = 5,586.72 × 2,280.12
4. Step 4: Simplify right side
   4,048.62x = 12,738,392.01
5. Step 5: Solve for x
   x = 12,738,392.01/4,048.62
6. Step 6: Final answer
   x = 3,146.35