Finding the Fourth Proportional to 2,450.69, 3,674.45 and 1,616.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,450.69 : 3,674.45 = 1,616.78 : x
2. Step 2: Convert to fraction form
   2,450.69/3,674.45 = 1,616.78/x
3. Step 3: Cross multiply
   2,450.69x = 3,674.45 × 1,616.78
4. Step 4: Simplify right side
   2,450.69x = 5,940,790.50
5. Step 5: Solve for x
   x = 5,940,790.50/2,450.69
6. Step 6: Final answer
   x = 2,424.13