Finding the Fourth Proportional to 10,819.30, 16,229.55 and 3,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.30 : 16,229.55 = 3,028.72 : x
2. Step 2: Convert to fraction form
   10,819.30/16,229.55 = 3,028.72/x
3. Step 3: Cross multiply
   10,819.30x = 16,229.55 × 3,028.72
4. Step 4: Simplify right side
   10,819.30x = 49,154,762.68
5. Step 5: Solve for x
   x = 49,154,762.68/10,819.30
6. Step 6: Final answer
   x = 4,543.25