Finding the Fourth Proportional to 4,158.42, 5,738.25 and 2,389.86

Step by Step Solution

1. Step 1: Write the proportion equation
   4,158.42 : 5,738.25 = 2,389.86 : x
2. Step 2: Convert to fraction form
   4,158.42/5,738.25 = 2,389.86/x
3. Step 3: Cross multiply
   4,158.42x = 5,738.25 × 2,389.86
4. Step 4: Simplify right side
   4,158.42x = 13,713,614.15
5. Step 5: Solve for x
   x = 13,713,614.15/4,158.42
6. Step 6: Final answer
   x = 3,297.79