Finding the Fourth Proportional to 67.58, 101.32 and 57.82

Step by Step Solution

1. Step 1: Write the proportion equation
   67.58 : 101.32 = 57.82 : x
2. Step 2: Convert to fraction form
   67.58/101.32 = 57.82/x
3. Step 3: Cross multiply
   67.58x = 101.32 × 57.82
4. Step 4: Simplify right side
   67.58x = 5,857.92
5. Step 5: Solve for x
   x = 5,857.92/67.58
6. Step 6: Final answer
   x = 86.69