Finding the Fourth Proportional to 33.98, 50.61 and 32.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33.98 : 50.61 = 32.78 : x
2. Step 2: Convert to fraction form
   33.98/50.61 = 32.78/x
3. Step 3: Cross multiply
   33.98x = 50.61 × 32.78
4. Step 4: Simplify right side
   33.98x = 1,658.96
5. Step 5: Solve for x
   x = 1,658.96/33.98
6. Step 6: Final answer
   x = 48.82