Finding the Fourth Proportional to 16,119.18, 22,238.94 and 9,399.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,119.18 : 22,238.94 = 9,399.27 : x
2. Step 2: Convert to fraction form
   16,119.18/22,238.94 = 9,399.27/x
3. Step 3: Cross multiply
   16,119.18x = 22,238.94 × 9,399.27
4. Step 4: Simplify right side
   16,119.18x = 209,029,801.57
5. Step 5: Solve for x
   x = 209,029,801.57/16,119.18
6. Step 6: Final answer
   x = 12,967.77