Finding the Fourth Proportional to 67.11, 100.56 and 50.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67.11 : 100.56 = 50.10 : x
2. Step 2: Convert to fraction form
   67.11/100.56 = 50.10/x
3. Step 3: Cross multiply
   67.11x = 100.56 × 50.10
4. Step 4: Simplify right side
   67.11x = 5,038.06
5. Step 5: Solve for x
   x = 5,038.06/67.11
6. Step 6: Final answer
   x = 75.07