Finding the Fourth Proportional to 67.51, 101.25 and 19.42

Step by Step Solution

1. Step 1: Write the proportion equation
   67.51 : 101.25 = 19.42 : x
2. Step 2: Convert to fraction form
   67.51/101.25 = 19.42/x
3. Step 3: Cross multiply
   67.51x = 101.25 × 19.42
4. Step 4: Simplify right side
   67.51x = 1,965.77
5. Step 5: Solve for x
   x = 1,965.77/67.51
6. Step 6: Final answer
   x = 29.12