Finding the Fourth Proportional to 42.33, 63.50 and 17.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42.33 : 63.50 = 17.97 : x
2. Step 2: Convert to fraction form
   42.33/63.50 = 17.97/x
3. Step 3: Cross multiply
   42.33x = 63.50 × 17.97
4. Step 4: Simplify right side
   42.33x = 1,140.69
5. Step 5: Solve for x
   x = 1,140.69/42.33
6. Step 6: Final answer
   x = 26.95