Finding the Fourth Proportional to 67.83, 101.72 and 33.57

Step by Step Solution

1. Step 1: Write the proportion equation
   67.83 : 101.72 = 33.57 : x
2. Step 2: Convert to fraction form
   67.83/101.72 = 33.57/x
3. Step 3: Cross multiply
   67.83x = 101.72 × 33.57
4. Step 4: Simplify right side
   67.83x = 3,414.74
5. Step 5: Solve for x
   x = 3,414.74/67.83
6. Step 6: Final answer
   x = 50.34