Finding the Fourth Proportional to 4,150.88, 5,728.22 and 2,287.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,150.88 : 5,728.22 = 2,287.88 : x
2. Step 2: Convert to fraction form
   4,150.88/5,728.22 = 2,287.88/x
3. Step 3: Cross multiply
   4,150.88x = 5,728.22 × 2,287.88
4. Step 4: Simplify right side
   4,150.88x = 13,105,439.89
5. Step 5: Solve for x
   x = 13,105,439.89/4,150.88
6. Step 6: Final answer
   x = 3,157.27