Finding the Fourth Proportional to 2,389, 3,582.18 and 1,608.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389 : 3,582.18 = 1,608.96 : x
2. Step 2: Convert to fraction form
   2,389/3,582.18 = 1,608.96/x
3. Step 3: Cross multiply
   2,389x = 3,582.18 × 1,608.96
4. Step 4: Simplify right side
   2,389x = 5,763,584.33
5. Step 5: Solve for x
   x = 5,763,584.33/2,389
6. Step 6: Final answer
   x = 2,412.55