Finding the Fourth Proportional to 9,009.72, 13,499.10 and 8,096.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.72 : 13,499.10 = 8,096.67 : x
2. Step 2: Convert to fraction form
   9,009.72/13,499.10 = 8,096.67/x
3. Step 3: Cross multiply
   9,009.72x = 13,499.10 × 8,096.67
4. Step 4: Simplify right side
   9,009.72x = 109,297,758.00
5. Step 5: Solve for x
   x = 109,297,758.00/9,009.72
6. Step 6: Final answer
   x = 12,131.09