Finding the Fourth Proportional to 16,762.88, 23,133.17 and 9,209.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,762.88 : 23,133.17 = 9,209.69 : x
2. Step 2: Convert to fraction form
   16,762.88/23,133.17 = 9,209.69/x
3. Step 3: Cross multiply
   16,762.88x = 23,133.17 × 9,209.69
4. Step 4: Simplify right side
   16,762.88x = 213,049,162.70
5. Step 5: Solve for x
   x = 213,049,162.70/16,762.88
6. Step 6: Final answer
   x = 12,709.58