Finding the Fourth Proportional to 2,540.54, 3,505.38 and 1,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.54 : 3,505.38 = 1,608.50 : x
2. Step 2: Convert to fraction form
   2,540.54/3,505.38 = 1,608.50/x
3. Step 3: Cross multiply
   2,540.54x = 3,505.38 × 1,608.50
4. Step 4: Simplify right side
   2,540.54x = 5,638,403.73
5. Step 5: Solve for x
   x = 5,638,403.73/2,540.54
6. Step 6: Final answer
   x = 2,219.37