Finding the Fourth Proportional to 2,616.54, 3,609.27 and 2,266.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.54 : 3,609.27 = 2,266.62 : x
2. Step 2: Convert to fraction form
   2,616.54/3,609.27 = 2,266.62/x
3. Step 3: Cross multiply
   2,616.54x = 3,609.27 × 2,266.62
4. Step 4: Simplify right side
   2,616.54x = 8,180,843.57
5. Step 5: Solve for x
   x = 8,180,843.57/2,616.54
6. Step 6: Final answer
   x = 3,126.59