Finding the Fourth Proportional to 67.86, 101.82 and 50.76

Step by Step Solution

1. Step 1: Write the proportion equation
   67.86 : 101.82 = 50.76 : x
2. Step 2: Convert to fraction form
   67.86/101.82 = 50.76/x
3. Step 3: Cross multiply
   67.86x = 101.82 × 50.76
4. Step 4: Simplify right side
   67.86x = 5,168.38
5. Step 5: Solve for x
   x = 5,168.38/67.86
6. Step 6: Final answer
   x = 76.16