Finding the Fourth Proportional to 67.82, 101.24 and 58.18

Step by Step Solution

1. Step 1: Write the proportion equation
   67.82 : 101.24 = 58.18 : x
2. Step 2: Convert to fraction form
   67.82/101.24 = 58.18/x
3. Step 3: Cross multiply
   67.82x = 101.24 × 58.18
4. Step 4: Simplify right side
   67.82x = 5,890.14
5. Step 5: Solve for x
   x = 5,890.14/67.82
6. Step 6: Final answer
   x = 86.85