Finding the Fourth Proportional to 8,196.49, 12,276.24 and 6,720.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.49 : 12,276.24 = 6,720.27 : x
2. Step 2: Convert to fraction form
   8,196.49/12,276.24 = 6,720.27/x
3. Step 3: Cross multiply
   8,196.49x = 12,276.24 × 6,720.27
4. Step 4: Simplify right side
   8,196.49x = 82,499,647.38
5. Step 5: Solve for x
   x = 82,499,647.38/8,196.49
6. Step 6: Final answer
   x = 10,065.24