Finding the Fourth Proportional to 16,769.24, 23,141.56 and 9,216.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,769.24 : 23,141.56 = 9,216.06 : x
2. Step 2: Convert to fraction form
   16,769.24/23,141.56 = 9,216.06/x
3. Step 3: Cross multiply
   16,769.24x = 23,141.56 × 9,216.06
4. Step 4: Simplify right side
   16,769.24x = 213,274,005.45
5. Step 5: Solve for x
   x = 213,274,005.45/16,769.24
6. Step 6: Final answer
   x = 12,718.17