Finding the Fourth Proportional to 59.94, 89.49 and 50.79

Step by Step Solution

1. Step 1: Write the proportion equation
   59.94 : 89.49 = 50.79 : x
2. Step 2: Convert to fraction form
   59.94/89.49 = 50.79/x
3. Step 3: Cross multiply
   59.94x = 89.49 × 50.79
4. Step 4: Simplify right side
   59.94x = 4,545.20
5. Step 5: Solve for x
   x = 4,545.20/59.94
6. Step 6: Final answer
   x = 75.83