Finding the Fourth Proportional to 67.01, 100.52 and 21.36

Step by Step Solution

1. Step 1: Write the proportion equation
   67.01 : 100.52 = 21.36 : x
2. Step 2: Convert to fraction form
   67.01/100.52 = 21.36/x
3. Step 3: Cross multiply
   67.01x = 100.52 × 21.36
4. Step 4: Simplify right side
   67.01x = 2,147.54
5. Step 5: Solve for x
   x = 2,147.54/67.01
6. Step 6: Final answer
   x = 32.05