Finding the Fourth Proportional to 2,542.56, 3,505.96 and 2,208.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.56 : 3,505.96 = 2,208.12 : x
2. Step 2: Convert to fraction form
   2,542.56/3,505.96 = 2,208.12/x
3. Step 3: Cross multiply
   2,542.56x = 3,505.96 × 2,208.12
4. Step 4: Simplify right side
   2,542.56x = 7,741,580.40
5. Step 5: Solve for x
   x = 7,741,580.40/2,542.56
6. Step 6: Final answer
   x = 3,044.80