Finding the Fourth Proportional to 102.01, 152.82 and 67.67

Step by Step Solution

1. Step 1: Write the proportion equation
   102.01 : 152.82 = 67.67 : x
2. Step 2: Convert to fraction form
   102.01/152.82 = 67.67/x
3. Step 3: Cross multiply
   102.01x = 152.82 × 67.67
4. Step 4: Simplify right side
   102.01x = 10,341.33
5. Step 5: Solve for x
   x = 10,341.33/102.01
6. Step 6: Final answer
   x = 101.38