Finding the Fourth Proportional to 12,096.72, 18,165.54 and 7,426.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096.72 : 18,165.54 = 7,426.08 : x
2. Step 2: Convert to fraction form
   12,096.72/18,165.54 = 7,426.08/x
3. Step 3: Cross multiply
   12,096.72x = 18,165.54 × 7,426.08
4. Step 4: Simplify right side
   12,096.72x = 134,898,753.28
5. Step 5: Solve for x
   x = 134,898,753.28/12,096.72
6. Step 6: Final answer
   x = 11,151.68