Finding the Fourth Proportional to 16,662.77, 22,994.67 and 9,109.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,662.77 : 22,994.67 = 9,109.19 : x
2. Step 2: Convert to fraction form
   16,662.77/22,994.67 = 9,109.19/x
3. Step 3: Cross multiply
   16,662.77x = 22,994.67 × 9,109.19
4. Step 4: Simplify right side
   16,662.77x = 209,462,875.50
5. Step 5: Solve for x
   x = 209,462,875.50/16,662.77
6. Step 6: Final answer
   x = 12,570.71