Finding the Fourth Proportional to 2,399.20, 3,596.72 and 1,360.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.20 : 3,596.72 = 1,360.96 : x
2. Step 2: Convert to fraction form
   2,399.20/3,596.72 = 1,360.96/x
3. Step 3: Cross multiply
   2,399.20x = 3,596.72 × 1,360.96
4. Step 4: Simplify right side
   2,399.20x = 4,894,992.05
5. Step 5: Solve for x
   x = 4,894,992.05/2,399.20
6. Step 6: Final answer
   x = 2,040.26