Finding the Fourth Proportional to 2,442.39, 3,665.42 and 1,519.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.39 : 3,665.42 = 1,519.31 : x
2. Step 2: Convert to fraction form
   2,442.39/3,665.42 = 1,519.31/x
3. Step 3: Cross multiply
   2,442.39x = 3,665.42 × 1,519.31
4. Step 4: Simplify right side
   2,442.39x = 5,568,883.34
5. Step 5: Solve for x
   x = 5,568,883.34/2,442.39
6. Step 6: Final answer
   x = 2,280.10