Finding the Fourth Proportional to 2,616.28, 3,610.38 and 1,567.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.28 : 3,610.38 = 1,567.60 : x
2. Step 2: Convert to fraction form
   2,616.28/3,610.38 = 1,567.60/x
3. Step 3: Cross multiply
   2,616.28x = 3,610.38 × 1,567.60
4. Step 4: Simplify right side
   2,616.28x = 5,659,631.69
5. Step 5: Solve for x
   x = 5,659,631.69/2,616.28
6. Step 6: Final answer
   x = 2,163.24