Finding the Fourth Proportional to 9,144.72, 12,606.12 and 8,096.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,144.72 : 12,606.12 = 8,096.40 : x
2. Step 2: Convert to fraction form
   9,144.72/12,606.12 = 8,096.40/x
3. Step 3: Cross multiply
   9,144.72x = 12,606.12 × 8,096.40
4. Step 4: Simplify right side
   9,144.72x = 102,064,189.97
5. Step 5: Solve for x
   x = 102,064,189.97/9,144.72
6. Step 6: Final answer
   x = 11,161.00