Finding the Fourth Proportional to 16,638.24, 22,960.11 and 9,084.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,638.24 : 22,960.11 = 9,084.89 : x
2. Step 2: Convert to fraction form
   16,638.24/22,960.11 = 9,084.89/x
3. Step 3: Cross multiply
   16,638.24x = 22,960.11 × 9,084.89
4. Step 4: Simplify right side
   16,638.24x = 208,589,936.23
5. Step 5: Solve for x
   x = 208,589,936.23/16,638.24
6. Step 6: Final answer
   x = 12,536.78