Finding the Fourth Proportional to 2,460.16, 3,390.31 and 1,574.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.16 : 3,390.31 = 1,574.42 : x
2. Step 2: Convert to fraction form
   2,460.16/3,390.31 = 1,574.42/x
3. Step 3: Cross multiply
   2,460.16x = 3,390.31 × 1,574.42
4. Step 4: Simplify right side
   2,460.16x = 5,337,771.87
5. Step 5: Solve for x
   x = 5,337,771.87/2,460.16
6. Step 6: Final answer
   x = 2,169.68