Finding the Fourth Proportional to 22,016.72, 33,021.98 and 7,223.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,016.72 : 33,021.98 = 7,223.72 : x
2. Step 2: Convert to fraction form
   22,016.72/33,021.98 = 7,223.72/x
3. Step 3: Cross multiply
   22,016.72x = 33,021.98 × 7,223.72
4. Step 4: Simplify right side
   22,016.72x = 238,541,501.25
5. Step 5: Solve for x
   x = 238,541,501.25/22,016.72
6. Step 6: Final answer
   x = 10,834.56