Finding the Fourth Proportional to 4,151.43, 5,728.86 and 2,288.39

Step by Step Solution

1. Step 1: Write the proportion equation
   4,151.43 : 5,728.86 = 2,288.39 : x
2. Step 2: Convert to fraction form
   4,151.43/5,728.86 = 2,288.39/x
3. Step 3: Cross multiply
   4,151.43x = 5,728.86 × 2,288.39
4. Step 4: Simplify right side
   4,151.43x = 13,109,837.29
5. Step 5: Solve for x
   x = 13,109,837.29/4,151.43
6. Step 6: Final answer
   x = 3,157.91