Finding the Fourth Proportional to 10,819.16, 16,206.02 and 6,868.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.16 : 16,206.02 = 6,868.38 : x
2. Step 2: Convert to fraction form
   10,819.16/16,206.02 = 6,868.38/x
3. Step 3: Cross multiply
   10,819.16x = 16,206.02 × 6,868.38
4. Step 4: Simplify right side
   10,819.16x = 111,309,103.65
5. Step 5: Solve for x
   x = 111,309,103.65/10,819.16
6. Step 6: Final answer
   x = 10,288.15