Finding the Fourth Proportional to 2,399.72, 3,600.06 and 1,013.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.72 : 3,600.06 = 1,013.06 : x
2. Step 2: Convert to fraction form
   2,399.72/3,600.06 = 1,013.06/x
3. Step 3: Cross multiply
   2,399.72x = 3,600.06 × 1,013.06
4. Step 4: Simplify right side
   2,399.72x = 3,647,058.78
5. Step 5: Solve for x
   x = 3,647,058.78/2,399.72
6. Step 6: Final answer
   x = 1,519.79