Finding the Fourth Proportional to 82.18, 113.37 and 67.54

Step by Step Solution

1. Step 1: Write the proportion equation
   82.18 : 113.37 = 67.54 : x
2. Step 2: Convert to fraction form
   82.18/113.37 = 67.54/x
3. Step 3: Cross multiply
   82.18x = 113.37 × 67.54
4. Step 4: Simplify right side
   82.18x = 7,657.01
5. Step 5: Solve for x
   x = 7,657.01/82.18
6. Step 6: Final answer
   x = 93.17