Finding the Fourth Proportional to 67.52, 100.93 and 50.21

Step by Step Solution

1. Step 1: Write the proportion equation
   67.52 : 100.93 = 50.21 : x
2. Step 2: Convert to fraction form
   67.52/100.93 = 50.21/x
3. Step 3: Cross multiply
   67.52x = 100.93 × 50.21
4. Step 4: Simplify right side
   67.52x = 5,067.61
5. Step 5: Solve for x
   x = 5,067.61/67.52
6. Step 6: Final answer
   x = 75.05