Finding the Fourth Proportional to 16,208.50, 22,367.17 and 9,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,208.50 : 22,367.17 = 9,134.50 : x
2. Step 2: Convert to fraction form
   16,208.50/22,367.17 = 9,134.50/x
3. Step 3: Cross multiply
   16,208.50x = 22,367.17 × 9,134.50
4. Step 4: Simplify right side
   16,208.50x = 204,312,914.37
5. Step 5: Solve for x
   x = 204,312,914.37/16,208.50
6. Step 6: Final answer
   x = 12,605.29