Finding the Fourth Proportional to 10,806.16, 16,195.42 and 8,335.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,806.16 : 16,195.42 = 8,335.82 : x
2. Step 2: Convert to fraction form
   10,806.16/16,195.42 = 8,335.82/x
3. Step 3: Cross multiply
   10,806.16x = 16,195.42 × 8,335.82
4. Step 4: Simplify right side
   10,806.16x = 135,002,105.94
5. Step 5: Solve for x
   x = 135,002,105.94/10,806.16
6. Step 6: Final answer
   x = 12,493.07