Finding the Fourth Proportional to 16,623.57, 22,939.65 and 9,069.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,623.57 : 22,939.65 = 9,069.93 : x
2. Step 2: Convert to fraction form
   16,623.57/22,939.65 = 9,069.93/x
3. Step 3: Cross multiply
   16,623.57x = 22,939.65 × 9,069.93
4. Step 4: Simplify right side
   16,623.57x = 208,061,019.72
5. Step 5: Solve for x
   x = 208,061,019.72/16,623.57
6. Step 6: Final answer
   x = 12,516.03