Finding the Fourth Proportional to 2,391.49, 3,580.32 and 1,608.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.49 : 3,580.32 = 1,608.79 : x
2. Step 2: Convert to fraction form
   2,391.49/3,580.32 = 1,608.79/x
3. Step 3: Cross multiply
   2,391.49x = 3,580.32 × 1,608.79
4. Step 4: Simplify right side
   2,391.49x = 5,759,983.01
5. Step 5: Solve for x
   x = 5,759,983.01/2,391.49
6. Step 6: Final answer
   x = 2,408.53