Finding the Fourth Proportional to 2,399.99, 3,600.48 and 1,013.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.99 : 3,600.48 = 1,013.33 : x
2. Step 2: Convert to fraction form
   2,399.99/3,600.48 = 1,013.33/x
3. Step 3: Cross multiply
   2,399.99x = 3,600.48 × 1,013.33
4. Step 4: Simplify right side
   2,399.99x = 3,648,469.33
5. Step 5: Solve for x
   x = 3,648,469.33/2,399.99
6. Step 6: Final answer
   x = 1,520.21