Finding the Fourth Proportional to 5,687.52, 8,540.56 and 3,510.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,687.52 : 8,540.56 = 3,510.10 : x
2. Step 2: Convert to fraction form
   5,687.52/8,540.56 = 3,510.10/x
3. Step 3: Cross multiply
   5,687.52x = 8,540.56 × 3,510.10
4. Step 4: Simplify right side
   5,687.52x = 29,978,219.66
5. Step 5: Solve for x
   x = 29,978,219.66/5,687.52
6. Step 6: Final answer
   x = 5,270.88