Finding the Fourth Proportional to 2,454.96, 3,386.94 and 1,616.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.96 : 3,386.94 = 1,616.15 : x
2. Step 2: Convert to fraction form
   2,454.96/3,386.94 = 1,616.15/x
3. Step 3: Cross multiply
   2,454.96x = 3,386.94 × 1,616.15
4. Step 4: Simplify right side
   2,454.96x = 5,473,786.15
5. Step 5: Solve for x
   x = 5,473,786.15/2,454.96
6. Step 6: Final answer
   x = 2,229.68