Finding the Fourth Proportional to 67.68, 93.42 and 41.82

Step by Step Solution

1. Step 1: Write the proportion equation
   67.68 : 93.42 = 41.82 : x
2. Step 2: Convert to fraction form
   67.68/93.42 = 41.82/x
3. Step 3: Cross multiply
   67.68x = 93.42 × 41.82
4. Step 4: Simplify right side
   67.68x = 3,906.82
5. Step 5: Solve for x
   x = 3,906.82/67.68
6. Step 6: Final answer
   x = 57.72