Finding the Fourth Proportional to 9,265.85, 12,806.87 and 8,196.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,265.85 : 12,806.87 = 8,196.05 : x
2. Step 2: Convert to fraction form
   9,265.85/12,806.87 = 8,196.05/x
3. Step 3: Cross multiply
   9,265.85x = 12,806.87 × 8,196.05
4. Step 4: Simplify right side
   9,265.85x = 104,965,641.85
5. Step 5: Solve for x
   x = 104,965,641.85/9,265.85
6. Step 6: Final answer
   x = 11,328.23