Finding the Fourth Proportional to 16,662.54, 22,994.25 and 9,108.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,662.54 : 22,994.25 = 9,108.87 : x
2. Step 2: Convert to fraction form
   16,662.54/22,994.25 = 9,108.87/x
3. Step 3: Cross multiply
   16,662.54x = 22,994.25 × 9,108.87
4. Step 4: Simplify right side
   16,662.54x = 209,451,513.61
5. Step 5: Solve for x
   x = 209,451,513.61/16,662.54
6. Step 6: Final answer
   x = 12,570.20