Finding the Fourth Proportional to 16,620.50, 22,936.72 and 9,066.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,620.50 : 22,936.72 = 9,066.96 : x
2. Step 2: Convert to fraction form
   16,620.50/22,936.72 = 9,066.96/x
3. Step 3: Cross multiply
   16,620.50x = 22,936.72 × 9,066.96
4. Step 4: Simplify right side
   16,620.50x = 207,966,322.77
5. Step 5: Solve for x
   x = 207,966,322.77/16,620.50
6. Step 6: Final answer
   x = 12,512.64