Finding the Fourth Proportional to 67.94, 101.89 and 19.85

Step by Step Solution

1. Step 1: Write the proportion equation
   67.94 : 101.89 = 19.85 : x
2. Step 2: Convert to fraction form
   67.94/101.89 = 19.85/x
3. Step 3: Cross multiply
   67.94x = 101.89 × 19.85
4. Step 4: Simplify right side
   67.94x = 2,022.03
5. Step 5: Solve for x
   x = 2,022.03/67.94
6. Step 6: Final answer
   x = 29.76