Finding the Fourth Proportional to 16,021.07, 22,109.37 and 9,304.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021.07 : 22,109.37 = 9,304.25 : x
2. Step 2: Convert to fraction form
   16,021.07/22,109.37 = 9,304.25/x
3. Step 3: Cross multiply
   16,021.07x = 22,109.37 × 9,304.25
4. Step 4: Simplify right side
   16,021.07x = 205,711,105.82
5. Step 5: Solve for x
   x = 205,711,105.82/16,021.07
6. Step 6: Final answer
   x = 12,840.04