Finding the Fourth Proportional to 8,765.82, 12,096.54 and 5,227.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,765.82 : 12,096.54 = 5,227.20 : x
2. Step 2: Convert to fraction form
   8,765.82/12,096.54 = 5,227.20/x
3. Step 3: Cross multiply
   8,765.82x = 12,096.54 × 5,227.20
4. Step 4: Simplify right side
   8,765.82x = 63,231,033.89
5. Step 5: Solve for x
   x = 63,231,033.89/8,765.82
6. Step 6: Final answer
   x = 7,213.36