Finding the Fourth Proportional to 16,013.40, 22,096.42 and 8,940.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,013.40 : 22,096.42 = 8,940.12 : x
2. Step 2: Convert to fraction form
   16,013.40/22,096.42 = 8,940.12/x
3. Step 3: Cross multiply
   16,013.40x = 22,096.42 × 8,940.12
4. Step 4: Simplify right side
   16,013.40x = 197,544,646.37
5. Step 5: Solve for x
   x = 197,544,646.37/16,013.40
6. Step 6: Final answer
   x = 12,336.21