Finding the Fourth Proportional to 16,662.58, 22,994.41 and 9,109.00

Step by Step Solution

1. Step 1: Write the proportion equation
   16,662.58 : 22,994.41 = 9,109.00 : x
2. Step 2: Convert to fraction form
   16,662.58/22,994.41 = 9,109.00/x
3. Step 3: Cross multiply
   16,662.58x = 22,994.41 × 9,109.00
4. Step 4: Simplify right side
   16,662.58x = 209,456,103.74
5. Step 5: Solve for x
   x = 209,456,103.74/16,662.58
6. Step 6: Final answer
   x = 12,570.45