Finding the Fourth Proportional to 67.37, 100.89 and 50.22

Step by Step Solution

1. Step 1: Write the proportion equation
   67.37 : 100.89 = 50.22 : x
2. Step 2: Convert to fraction form
   67.37/100.89 = 50.22/x
3. Step 3: Cross multiply
   67.37x = 100.89 × 50.22
4. Step 4: Simplify right side
   67.37x = 5,066.70
5. Step 5: Solve for x
   x = 5,066.70/67.37
6. Step 6: Final answer
   x = 75.21