Finding the Fourth Proportional to 12,309.50, 16,986.02 and 7,273.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309.50 : 16,986.02 = 7,273.94 : x
2. Step 2: Convert to fraction form
   12,309.50/16,986.02 = 7,273.94/x
3. Step 3: Cross multiply
   12,309.50x = 16,986.02 × 7,273.94
4. Step 4: Simplify right side
   12,309.50x = 123,555,290.32
5. Step 5: Solve for x
   x = 123,555,290.32/12,309.50
6. Step 6: Final answer
   x = 10,037.39