Finding the Fourth Proportional to 67.74, 101.61 and 49.83

Step by Step Solution

1. Step 1: Write the proportion equation
   67.74 : 101.61 = 49.83 : x
2. Step 2: Convert to fraction form
   67.74/101.61 = 49.83/x
3. Step 3: Cross multiply
   67.74x = 101.61 × 49.83
4. Step 4: Simplify right side
   67.74x = 5,063.23
5. Step 5: Solve for x
   x = 5,063.23/67.74
6. Step 6: Final answer
   x = 74.75