Finding the Fourth Proportional to 16,923.89, 23,354.20 and 9,369.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,923.89 : 23,354.20 = 9,369.69 : x
2. Step 2: Convert to fraction form
   16,923.89/23,354.20 = 9,369.69/x
3. Step 3: Cross multiply
   16,923.89x = 23,354.20 × 9,369.69
4. Step 4: Simplify right side
   16,923.89x = 218,821,538.33
5. Step 5: Solve for x
   x = 218,821,538.33/16,923.89
6. Step 6: Final answer
   x = 12,929.74