Finding the Fourth Proportional to 16,662.46, 22,994.81 and 9,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,662.46 : 22,994.81 = 9,109.30 : x
2. Step 2: Convert to fraction form
   16,662.46/22,994.81 = 9,109.30/x
3. Step 3: Cross multiply
   16,662.46x = 22,994.81 × 9,109.30
4. Step 4: Simplify right side
   16,662.46x = 209,466,622.73
5. Step 5: Solve for x
   x = 209,466,622.73/16,662.46
6. Step 6: Final answer
   x = 12,571.17