Finding the Fourth Proportional to 3,653.72, 5,480.56 and 2,266.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.72 : 5,480.56 = 2,266.16 : x
2. Step 2: Convert to fraction form
   3,653.72/5,480.56 = 2,266.16/x
3. Step 3: Cross multiply
   3,653.72x = 5,480.56 × 2,266.16
4. Step 4: Simplify right side
   3,653.72x = 12,419,825.85
5. Step 5: Solve for x
   x = 12,419,825.85/3,653.72
6. Step 6: Final answer
   x = 3,399.23