Finding the Fourth Proportional to 12,094.72, 18,162.54 and 7,424.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,094.72 : 18,162.54 = 7,424.08 : x
2. Step 2: Convert to fraction form
   12,094.72/18,162.54 = 7,424.08/x
3. Step 3: Cross multiply
   12,094.72x = 18,162.54 × 7,424.08
4. Step 4: Simplify right side
   12,094.72x = 134,840,149.96
5. Step 5: Solve for x
   x = 134,840,149.96/12,094.72
6. Step 6: Final answer
   x = 11,148.68