Finding the Fourth Proportional to 28.05, 42.00 and 22.33

Step by Step Solution

1. Step 1: Write the proportion equation
   28.05 : 42.00 = 22.33 : x
2. Step 2: Convert to fraction form
   28.05/42.00 = 22.33/x
3. Step 3: Cross multiply
   28.05x = 42.00 × 22.33
4. Step 4: Simplify right side
   28.05x = 937.83
5. Step 5: Solve for x
   x = 937.83/28.05
6. Step 6: Final answer
   x = 33.44