Finding the Fourth Proportional to 16,662.40, 22,994.73 and 9,109.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,662.40 : 22,994.73 = 9,109.23 : x
2. Step 2: Convert to fraction form
   16,662.40/22,994.73 = 9,109.23/x
3. Step 3: Cross multiply
   16,662.40x = 22,994.73 × 9,109.23
4. Step 4: Simplify right side
   16,662.40x = 209,464,284.36
5. Step 5: Solve for x
   x = 209,464,284.36/16,662.40
6. Step 6: Final answer
   x = 12,571.08