Finding the Fourth Proportional to 22,010.06, 33,019.18 and 7,223.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,010.06 : 33,019.18 = 7,223.20 : x
2. Step 2: Convert to fraction form
   22,010.06/33,019.18 = 7,223.20/x
3. Step 3: Cross multiply
   22,010.06x = 33,019.18 × 7,223.20
4. Step 4: Simplify right side
   22,010.06x = 238,504,140.98
5. Step 5: Solve for x
   x = 238,504,140.98/22,010.06
6. Step 6: Final answer
   x = 10,836.14