Finding the Fourth Proportional to 69.27, 104.52 and 67.89

Step by Step Solution

1. Step 1: Write the proportion equation
   69.27 : 104.52 = 67.89 : x
2. Step 2: Convert to fraction form
   69.27/104.52 = 67.89/x
3. Step 3: Cross multiply
   69.27x = 104.52 × 67.89
4. Step 4: Simplify right side
   69.27x = 7,095.86
5. Step 5: Solve for x
   x = 7,095.86/69.27
6. Step 6: Final answer
   x = 102.44