Finding the Fourth Proportional to 73.98, 110.89 and 49.61

Step by Step Solution

1. Step 1: Write the proportion equation
   73.98 : 110.89 = 49.61 : x
2. Step 2: Convert to fraction form
   73.98/110.89 = 49.61/x
3. Step 3: Cross multiply
   73.98x = 110.89 × 49.61
4. Step 4: Simplify right side
   73.98x = 5,500.72
5. Step 5: Solve for x
   x = 5,500.72/73.98
6. Step 6: Final answer
   x = 74.35