Finding the Fourth Proportional to 2,616.56, 3,610.91 and 1,437.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.56 : 3,610.91 = 1,437.62 : x
2. Step 2: Convert to fraction form
   2,616.56/3,610.91 = 1,437.62/x
3. Step 3: Cross multiply
   2,616.56x = 3,610.91 × 1,437.62
4. Step 4: Simplify right side
   2,616.56x = 5,191,091.19
5. Step 5: Solve for x
   x = 5,191,091.19/2,616.56
6. Step 6: Final answer
   x = 1,983.94