Finding the Fourth Proportional to 22,017.50, 33,013.94 and 7,222.44

Step by Step Solution

1. Step 1: Write the proportion equation
   22,017.50 : 33,013.94 = 7,222.44 : x
2. Step 2: Convert to fraction form
   22,017.50/33,013.94 = 7,222.44/x
3. Step 3: Cross multiply
   22,017.50x = 33,013.94 × 7,222.44
4. Step 4: Simplify right side
   22,017.50x = 238,441,200.81
5. Step 5: Solve for x
   x = 238,441,200.81/22,017.50
6. Step 6: Final answer
   x = 10,829.62