Finding the Fourth Proportional to 2,616.66, 3,610.98 and 1,437.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.66 : 3,610.98 = 1,437.72 : x
2. Step 2: Convert to fraction form
   2,616.66/3,610.98 = 1,437.72/x
3. Step 3: Cross multiply
   2,616.66x = 3,610.98 × 1,437.72
4. Step 4: Simplify right side
   2,616.66x = 5,191,578.17
5. Step 5: Solve for x
   x = 5,191,578.17/2,616.66
6. Step 6: Final answer
   x = 1,984.05