Finding the Fourth Proportional to 67.52, 101.15 and 50.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67.52 : 101.15 = 50.30 : x
2. Step 2: Convert to fraction form
   67.52/101.15 = 50.30/x
3. Step 3: Cross multiply
   67.52x = 101.15 × 50.30
4. Step 4: Simplify right side
   67.52x = 5,087.85
5. Step 5: Solve for x
   x = 5,087.85/67.52
6. Step 6: Final answer
   x = 75.35