Finding the Fourth Proportional to 2,616.30, 3,610.35 and 1,437.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.30 : 3,610.35 = 1,437.30 : x
2. Step 2: Convert to fraction form
   2,616.30/3,610.35 = 1,437.30/x
3. Step 3: Cross multiply
   2,616.30x = 3,610.35 × 1,437.30
4. Step 4: Simplify right side
   2,616.30x = 5,189,156.06
5. Step 5: Solve for x
   x = 5,189,156.06/2,616.30
6. Step 6: Final answer
   x = 1,983.39