Finding the Fourth Proportional to 67.82, 93.59 and 38.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67.82 : 93.59 = 38.71 : x
2. Step 2: Convert to fraction form
   67.82/93.59 = 38.71/x
3. Step 3: Cross multiply
   67.82x = 93.59 × 38.71
4. Step 4: Simplify right side
   67.82x = 3,622.21
5. Step 5: Solve for x
   x = 3,622.21/67.82
6. Step 6: Final answer
   x = 53.41