Finding the Fourth Proportional to 2,663.69, 3,676.68 and 1,545.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.69 : 3,676.68 = 1,545.15 : x
2. Step 2: Convert to fraction form
   2,663.69/3,676.68 = 1,545.15/x
3. Step 3: Cross multiply
   2,663.69x = 3,676.68 × 1,545.15
4. Step 4: Simplify right side
   2,663.69x = 5,681,022.10
5. Step 5: Solve for x
   x = 5,681,022.10/2,663.69
6. Step 6: Final answer
   x = 2,132.76