Finding the Fourth Proportional to 67.82, 101.73 and 38.91

Step by Step Solution

1. Step 1: Write the proportion equation
   67.82 : 101.73 = 38.91 : x
2. Step 2: Convert to fraction form
   67.82/101.73 = 38.91/x
3. Step 3: Cross multiply
   67.82x = 101.73 × 38.91
4. Step 4: Simplify right side
   67.82x = 3,958.31
5. Step 5: Solve for x
   x = 3,958.31/67.82
6. Step 6: Final answer
   x = 58.37