Finding the Fourth Proportional to 107.82, 161.72 and 35.67

Step by Step Solution

1. Step 1: Write the proportion equation
   107.82 : 161.72 = 35.67 : x
2. Step 2: Convert to fraction form
   107.82/161.72 = 35.67/x
3. Step 3: Cross multiply
   107.82x = 161.72 × 35.67
4. Step 4: Simplify right side
   107.82x = 5,768.37
5. Step 5: Solve for x
   x = 5,768.37/107.82
6. Step 6: Final answer
   x = 53.50