Finding the Fourth Proportional to 67.17, 100.58 and 50.06

Step by Step Solution

1. Step 1: Write the proportion equation
   67.17 : 100.58 = 50.06 : x
2. Step 2: Convert to fraction form
   67.17/100.58 = 50.06/x
3. Step 3: Cross multiply
   67.17x = 100.58 × 50.06
4. Step 4: Simplify right side
   67.17x = 5,034.78
5. Step 5: Solve for x
   x = 5,034.78/67.17
6. Step 6: Final answer
   x = 74.96