Finding the Fourth Proportional to 4,150.69, 5,728.10 and 2,287.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,150.69 : 5,728.10 = 2,287.69 : x
2. Step 2: Convert to fraction form
   4,150.69/5,728.10 = 2,287.69/x
3. Step 3: Cross multiply
   4,150.69x = 5,728.10 × 2,287.69
4. Step 4: Simplify right side
   4,150.69x = 13,104,091.33
5. Step 5: Solve for x
   x = 13,104,091.33/4,150.69
6. Step 6: Final answer
   x = 3,157.09