Finding the Fourth Proportional to 2,440.69, 3,654.87 and 1,616.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440.69 : 3,654.87 = 1,616.47 : x
2. Step 2: Convert to fraction form
   2,440.69/3,654.87 = 1,616.47/x
3. Step 3: Cross multiply
   2,440.69x = 3,654.87 × 1,616.47
4. Step 4: Simplify right side
   2,440.69x = 5,907,987.71
5. Step 5: Solve for x
   x = 5,907,987.71/2,440.69
6. Step 6: Final answer
   x = 2,420.62