Finding the Fourth Proportional to 2,540.04, 3,504.69 and 1,608

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.04 : 3,504.69 = 1,608 : x
2. Step 2: Convert to fraction form
   2,540.04/3,504.69 = 1,608/x
3. Step 3: Cross multiply
   2,540.04x = 3,504.69 × 1,608
4. Step 4: Simplify right side
   2,540.04x = 5,635,541.52
5. Step 5: Solve for x
   x = 5,635,541.52/2,540.04
6. Step 6: Final answer
   x = 2,218.68