Finding the Fourth Proportional to 67.59, 101.61 and 48.42

Step by Step Solution

1. Step 1: Write the proportion equation
   67.59 : 101.61 = 48.42 : x
2. Step 2: Convert to fraction form
   67.59/101.61 = 48.42/x
3. Step 3: Cross multiply
   67.59x = 101.61 × 48.42
4. Step 4: Simplify right side
   67.59x = 4,919.96
5. Step 5: Solve for x
   x = 4,919.96/67.59
6. Step 6: Final answer
   x = 72.79