Finding the Fourth Proportional to 67.74, 101.63 and 38.89

Step by Step Solution

1. Step 1: Write the proportion equation
   67.74 : 101.63 = 38.89 : x
2. Step 2: Convert to fraction form
   67.74/101.63 = 38.89/x
3. Step 3: Cross multiply
   67.74x = 101.63 × 38.89
4. Step 4: Simplify right side
   67.74x = 3,951.69
5. Step 5: Solve for x
   x = 3,951.69/67.74
6. Step 6: Final answer
   x = 58.34