Finding the Fourth Proportional to 10,819.10, 16,229.41 and 3,423.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.10 : 16,229.41 = 3,423.69 : x
2. Step 2: Convert to fraction form
   10,819.10/16,229.41 = 3,423.69/x
3. Step 3: Cross multiply
   10,819.10x = 16,229.41 × 3,423.69
4. Step 4: Simplify right side
   10,819.10x = 55,564,460.16
5. Step 5: Solve for x
   x = 55,564,460.16/10,819.10
6. Step 6: Final answer
   x = 5,135.77