Finding the Fourth Proportional to 22,016.88, 33,018.38 and 7,222.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,016.88 : 33,018.38 = 7,222.35 : x
2. Step 2: Convert to fraction form
   22,016.88/33,018.38 = 7,222.35/x
3. Step 3: Cross multiply
   22,016.88x = 33,018.38 × 7,222.35
4. Step 4: Simplify right side
   22,016.88x = 238,470,296.79
5. Step 5: Solve for x
   x = 238,470,296.79/22,016.88
6. Step 6: Final answer
   x = 10,831.25