Finding the Fourth Proportional to 2,616.40, 3,610.38 and 1,437.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.40 : 3,610.38 = 1,437.52 : x
2. Step 2: Convert to fraction form
   2,616.40/3,610.38 = 1,437.52/x
3. Step 3: Cross multiply
   2,616.40x = 3,610.38 × 1,437.52
4. Step 4: Simplify right side
   2,616.40x = 5,189,993.46
5. Step 5: Solve for x
   x = 5,189,993.46/2,616.40
6. Step 6: Final answer
   x = 1,983.64