Finding the Fourth Proportional to 74.73, 111.91 and 50.61

Step by Step Solution

1. Step 1: Write the proportion equation
   74.73 : 111.91 = 50.61 : x
2. Step 2: Convert to fraction form
   74.73/111.91 = 50.61/x
3. Step 3: Cross multiply
   74.73x = 111.91 × 50.61
4. Step 4: Simplify right side
   74.73x = 5,663.08
5. Step 5: Solve for x
   x = 5,663.08/74.73
6. Step 6: Final answer
   x = 75.79