Finding the Fourth Proportional to 67.82, 101.03 and 67.55

Step by Step Solution

1. Step 1: Write the proportion equation
   67.82 : 101.03 = 67.55 : x
2. Step 2: Convert to fraction form
   67.82/101.03 = 67.55/x
3. Step 3: Cross multiply
   67.82x = 101.03 × 67.55
4. Step 4: Simplify right side
   67.82x = 6,823.73
5. Step 5: Solve for x
   x = 6,823.73/67.82
6. Step 6: Final answer
   x = 100.62