Finding the Fourth Proportional to 2,864.72, 4,289.82 and 2,401.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.72 : 4,289.82 = 2,401.28 : x
2. Step 2: Convert to fraction form
   2,864.72/4,289.82 = 2,401.28/x
3. Step 3: Cross multiply
   2,864.72x = 4,289.82 × 2,401.28
4. Step 4: Simplify right side
   2,864.72x = 10,301,058.97
5. Step 5: Solve for x
   x = 10,301,058.97/2,864.72
6. Step 6: Final answer
   x = 3,595.83