Finding the Fourth Proportional to 72.41, 108.41 and 50.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72.41 : 108.41 = 50.76 : x
2. Step 2: Convert to fraction form
   72.41/108.41 = 50.76/x
3. Step 3: Cross multiply
   72.41x = 108.41 × 50.76
4. Step 4: Simplify right side
   72.41x = 5,502.89
5. Step 5: Solve for x
   x = 5,502.89/72.41
6. Step 6: Final answer
   x = 76.00