Finding the Fourth Proportional to 8,196.72, 11,308.05 and 5,364.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.72 : 11,308.05 = 5,364.78 : x
2. Step 2: Convert to fraction form
   8,196.72/11,308.05 = 5,364.78/x
3. Step 3: Cross multiply
   8,196.72x = 11,308.05 × 5,364.78
4. Step 4: Simplify right side
   8,196.72x = 60,665,200.48
5. Step 5: Solve for x
   x = 60,665,200.48/8,196.72
6. Step 6: Final answer
   x = 7,401.16