Finding the Fourth Proportional to 67.33, 100.90 and 50.07

Step by Step Solution

1. Step 1: Write the proportion equation
   67.33 : 100.90 = 50.07 : x
2. Step 2: Convert to fraction form
   67.33/100.90 = 50.07/x
3. Step 3: Cross multiply
   67.33x = 100.90 × 50.07
4. Step 4: Simplify right side
   67.33x = 5,052.06
5. Step 5: Solve for x
   x = 5,052.06/67.33
6. Step 6: Final answer
   x = 75.03