Finding the Fourth Proportional to 16,769.98, 23,141.06 and 9,216.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,769.98 : 23,141.06 = 9,216.23 : x
2. Step 2: Convert to fraction form
   16,769.98/23,141.06 = 9,216.23/x
3. Step 3: Cross multiply
   16,769.98x = 23,141.06 × 9,216.23
4. Step 4: Simplify right side
   16,769.98x = 213,273,238.74
5. Step 5: Solve for x
   x = 213,273,238.74/16,769.98
6. Step 6: Final answer
   x = 12,717.56