Finding the Fourth Proportional to 2,616.15, 3,610.25 and 1,437.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.15 : 3,610.25 = 1,437.21 : x
2. Step 2: Convert to fraction form
   2,616.15/3,610.25 = 1,437.21/x
3. Step 3: Cross multiply
   2,616.15x = 3,610.25 × 1,437.21
4. Step 4: Simplify right side
   2,616.15x = 5,188,680.22
5. Step 5: Solve for x
   x = 5,188,680.22/2,616.15
6. Step 6: Final answer
   x = 1,983.33