Finding the Fourth Proportional to 16,019.36, 22,109.34 and 9,309.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.36 : 22,109.34 = 9,309.32 : x
2. Step 2: Convert to fraction form
   16,019.36/22,109.34 = 9,309.32/x
3. Step 3: Cross multiply
   16,019.36x = 22,109.34 × 9,309.32
4. Step 4: Simplify right side
   16,019.36x = 205,822,921.05
5. Step 5: Solve for x
   x = 205,822,921.05/16,019.36
6. Step 6: Final answer
   x = 12,848.39