Finding the Fourth Proportional to 3,510.52, 5,254.82 and 2,587.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.52 : 5,254.82 = 2,587.12 : x
2. Step 2: Convert to fraction form
   3,510.52/5,254.82 = 2,587.12/x
3. Step 3: Cross multiply
   3,510.52x = 5,254.82 × 2,587.12
4. Step 4: Simplify right side
   3,510.52x = 13,594,849.92
5. Step 5: Solve for x
   x = 13,594,849.92/3,510.52
6. Step 6: Final answer
   x = 3,872.60