Finding the Fourth Proportional to 16,619.72, 22,934.94 and 9,066.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,619.72 : 22,934.94 = 9,066.14 : x
2. Step 2: Convert to fraction form
   16,619.72/22,934.94 = 9,066.14/x
3. Step 3: Cross multiply
   16,619.72x = 22,934.94 × 9,066.14
4. Step 4: Simplify right side
   16,619.72x = 207,931,376.93
5. Step 5: Solve for x
   x = 207,931,376.93/16,619.72
6. Step 6: Final answer
   x = 12,511.12