Finding the Fourth Proportional to 86.01, 118.38 and 67.56

Step by Step Solution

1. Step 1: Write the proportion equation
   86.01 : 118.38 = 67.56 : x
2. Step 2: Convert to fraction form
   86.01/118.38 = 67.56/x
3. Step 3: Cross multiply
   86.01x = 118.38 × 67.56
4. Step 4: Simplify right side
   86.01x = 7,997.75
5. Step 5: Solve for x
   x = 7,997.75/86.01
6. Step 6: Final answer
   x = 92.99