Finding the Fourth Proportional to 8,168.72, 11,273.92 and 7,946.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,168.72 : 11,273.92 = 7,946.34 : x
2. Step 2: Convert to fraction form
   8,168.72/11,273.92 = 7,946.34/x
3. Step 3: Cross multiply
   8,168.72x = 11,273.92 × 7,946.34
4. Step 4: Simplify right side
   8,168.72x = 89,586,401.45
5. Step 5: Solve for x
   x = 89,586,401.45/8,168.72
6. Step 6: Final answer
   x = 10,967.01