Finding the Fourth Proportional to 16,783.01, 23,160.71 and 9,229.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.01 : 23,160.71 = 9,229.15 : x
2. Step 2: Convert to fraction form
   16,783.01/23,160.71 = 9,229.15/x
3. Step 3: Cross multiply
   16,783.01x = 23,160.71 × 9,229.15
4. Step 4: Simplify right side
   16,783.01x = 213,753,666.70
5. Step 5: Solve for x
   x = 213,753,666.70/16,783.01
6. Step 6: Final answer
   x = 12,736.31