Finding the Fourth Proportional to 22,016.26, 33,009.72 and 7,220.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,016.26 : 33,009.72 = 7,220.08 : x
2. Step 2: Convert to fraction form
   22,016.26/33,009.72 = 7,220.08/x
3. Step 3: Cross multiply
   22,016.26x = 33,009.72 × 7,220.08
4. Step 4: Simplify right side
   22,016.26x = 238,332,819.18
5. Step 5: Solve for x
   x = 238,332,819.18/22,016.26
6. Step 6: Final answer
   x = 10,825.31