Finding the Fourth Proportional to 16,783.55, 23,160.69 and 9,229.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.55 : 23,160.69 = 9,229.82 : x
2. Step 2: Convert to fraction form
   16,783.55/23,160.69 = 9,229.82/x
3. Step 3: Cross multiply
   16,783.55x = 23,160.69 × 9,229.82
4. Step 4: Simplify right side
   16,783.55x = 213,768,883.97
5. Step 5: Solve for x
   x = 213,768,883.97/16,783.55
6. Step 6: Final answer
   x = 12,736.81