Finding the Fourth Proportional to 22,015.96, 33,017.02 and 7,221.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,015.96 : 33,017.02 = 7,221.41 : x
2. Step 2: Convert to fraction form
   22,015.96/33,017.02 = 7,221.41/x
3. Step 3: Cross multiply
   22,015.96x = 33,017.02 × 7,221.41
4. Step 4: Simplify right side
   22,015.96x = 238,429,419.69
5. Step 5: Solve for x
   x = 238,429,419.69/22,015.96
6. Step 6: Final answer
   x = 10,829.85