Finding the Fourth Proportional to 8,196.80, 12,308.72 and 5,545.44

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.80 : 12,308.72 = 5,545.44 : x
2. Step 2: Convert to fraction form
   8,196.80/12,308.72 = 5,545.44/x
3. Step 3: Cross multiply
   8,196.80x = 12,308.72 × 5,545.44
4. Step 4: Simplify right side
   8,196.80x = 68,257,268.24
5. Step 5: Solve for x
   x = 68,257,268.24/8,196.80
6. Step 6: Final answer
   x = 8,327.31