Finding the Fourth Proportional to 3,519.52, 5,271.72 and 2,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,519.52 : 5,271.72 = 2,542.72 : x
2. Step 2: Convert to fraction form
   3,519.52/5,271.72 = 2,542.72/x
3. Step 3: Cross multiply
   3,519.52x = 5,271.72 × 2,542.72
4. Step 4: Simplify right side
   3,519.52x = 13,404,507.88
5. Step 5: Solve for x
   x = 13,404,507.88/3,519.52
6. Step 6: Final answer
   x = 3,808.62