Finding the Fourth Proportional to 16,783, 23,160.62 and 9,229.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783 : 23,160.62 = 9,229.82 : x
2. Step 2: Convert to fraction form
   16,783/23,160.62 = 9,229.82/x
3. Step 3: Cross multiply
   16,783x = 23,160.62 × 9,229.82
4. Step 4: Simplify right side
   16,783x = 213,768,353.69
5. Step 5: Solve for x
   x = 213,768,353.69/16,783
6. Step 6: Final answer
   x = 12,737.20