Finding the Fourth Proportional to 67.12, 100.73 and 50.01

Step by Step Solution

1. Step 1: Write the proportion equation
   67.12 : 100.73 = 50.01 : x
2. Step 2: Convert to fraction form
   67.12/100.73 = 50.01/x
3. Step 3: Cross multiply
   67.12x = 100.73 × 50.01
4. Step 4: Simplify right side
   67.12x = 5,037.51
5. Step 5: Solve for x
   x = 5,037.51/67.12
6. Step 6: Final answer
   x = 75.05