Finding the Fourth Proportional to 67.63, 101.37 and 40.57

Step by Step Solution

1. Step 1: Write the proportion equation
   67.63 : 101.37 = 40.57 : x
2. Step 2: Convert to fraction form
   67.63/101.37 = 40.57/x
3. Step 3: Cross multiply
   67.63x = 101.37 × 40.57
4. Step 4: Simplify right side
   67.63x = 4,112.58
5. Step 5: Solve for x
   x = 4,112.58/67.63
6. Step 6: Final answer
   x = 60.81