Finding the Fourth Proportional to 73.89, 110.82 and 49.98

Step by Step Solution

1. Step 1: Write the proportion equation
   73.89 : 110.82 = 49.98 : x
2. Step 2: Convert to fraction form
   73.89/110.82 = 49.98/x
3. Step 3: Cross multiply
   73.89x = 110.82 × 49.98
4. Step 4: Simplify right side
   73.89x = 5,538.78
5. Step 5: Solve for x
   x = 5,538.78/73.89
6. Step 6: Final answer
   x = 74.96