Finding the Fourth Proportional to 67.98, 101.84 and 42.23

Step by Step Solution

1. Step 1: Write the proportion equation
   67.98 : 101.84 = 42.23 : x
2. Step 2: Convert to fraction form
   67.98/101.84 = 42.23/x
3. Step 3: Cross multiply
   67.98x = 101.84 × 42.23
4. Step 4: Simplify right side
   67.98x = 4,299.98
5. Step 5: Solve for x
   x = 4,299.98/67.98
6. Step 6: Final answer
   x = 63.25