Finding the Fourth Proportional to 9,266.22, 12,807.39 and 8,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,266.22 : 12,807.39 = 8,196.42 : x
2. Step 2: Convert to fraction form
   9,266.22/12,807.39 = 8,196.42/x
3. Step 3: Cross multiply
   9,266.22x = 12,807.39 × 8,196.42
4. Step 4: Simplify right side
   9,266.22x = 104,974,747.54
5. Step 5: Solve for x
   x = 104,974,747.54/9,266.22
6. Step 6: Final answer
   x = 11,328.76