Finding the Fourth Proportional to 16,019.92, 22,107.27 and 9,309.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.92 : 22,107.27 = 9,309.34 : x
2. Step 2: Convert to fraction form
   16,019.92/22,107.27 = 9,309.34/x
3. Step 3: Cross multiply
   16,019.92x = 22,107.27 × 9,309.34
4. Step 4: Simplify right side
   16,019.92x = 205,804,092.90
5. Step 5: Solve for x
   x = 205,804,092.90/16,019.92
6. Step 6: Final answer
   x = 12,846.76