Finding the Fourth Proportional to 67.50, 101.15 and 50.29

Step by Step Solution

1. Step 1: Write the proportion equation
   67.50 : 101.15 = 50.29 : x
2. Step 2: Convert to fraction form
   67.50/101.15 = 50.29/x
3. Step 3: Cross multiply
   67.50x = 101.15 × 50.29
4. Step 4: Simplify right side
   67.50x = 5,086.83
5. Step 5: Solve for x
   x = 5,086.83/67.50
6. Step 6: Final answer
   x = 75.36