Finding the Fourth Proportional to 16,180.76, 22,324.22 and 9,105.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,180.76 : 22,324.22 = 9,105.81 : x
2. Step 2: Convert to fraction form
   16,180.76/22,324.22 = 9,105.81/x
3. Step 3: Cross multiply
   16,180.76x = 22,324.22 × 9,105.81
4. Step 4: Simplify right side
   16,180.76x = 203,280,128.48
5. Step 5: Solve for x
   x = 203,280,128.48/16,180.76
6. Step 6: Final answer
   x = 12,563.08