Finding the Fourth Proportional to 2,767.29, 4,150.25 and 819.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.29 : 4,150.25 = 819.51 : x
2. Step 2: Convert to fraction form
   2,767.29/4,150.25 = 819.51/x
3. Step 3: Cross multiply
   2,767.29x = 4,150.25 × 819.51
4. Step 4: Simplify right side
   2,767.29x = 3,401,171.38
5. Step 5: Solve for x
   x = 3,401,171.38/2,767.29
6. Step 6: Final answer
   x = 1,229.06