Finding the Fourth Proportional to 67.77, 101.72 and 50.60

Step by Step Solution

1. Step 1: Write the proportion equation
   67.77 : 101.72 = 50.60 : x
2. Step 2: Convert to fraction form
   67.77/101.72 = 50.60/x
3. Step 3: Cross multiply
   67.77x = 101.72 × 50.60
4. Step 4: Simplify right side
   67.77x = 5,146.27
5. Step 5: Solve for x
   x = 5,146.27/67.77
6. Step 6: Final answer
   x = 75.94