Finding the Fourth Proportional to 2,399.25, 3,595.24 and 1,616.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.25 : 3,595.24 = 1,616.39 : x
2. Step 2: Convert to fraction form
   2,399.25/3,595.24 = 1,616.39/x
3. Step 3: Cross multiply
   2,399.25x = 3,595.24 × 1,616.39
4. Step 4: Simplify right side
   2,399.25x = 5,811,298.42
5. Step 5: Solve for x
   x = 5,811,298.42/2,399.25
6. Step 6: Final answer
   x = 2,422.13