Finding the Fourth Proportional to 16,109.33, 22,229.66 and 9,394.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,109.33 : 22,229.66 = 9,394.12 : x
2. Step 2: Convert to fraction form
   16,109.33/22,229.66 = 9,394.12/x
3. Step 3: Cross multiply
   16,109.33x = 22,229.66 × 9,394.12
4. Step 4: Simplify right side
   16,109.33x = 208,828,061.51
5. Step 5: Solve for x
   x = 208,828,061.51/16,109.33
6. Step 6: Final answer
   x = 12,963.18