Finding the Fourth Proportional to 2,616.21, 3,610.39 and 1,437.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.21 : 3,610.39 = 1,437.30 : x
2. Step 2: Convert to fraction form
   2,616.21/3,610.39 = 1,437.30/x
3. Step 3: Cross multiply
   2,616.21x = 3,610.39 × 1,437.30
4. Step 4: Simplify right side
   2,616.21x = 5,189,213.55
5. Step 5: Solve for x
   x = 5,189,213.55/2,616.21
6. Step 6: Final answer
   x = 1,983.49