Finding the Fourth Proportional to 69.39, 104.15 and 28.82

Step by Step Solution

1. Step 1: Write the proportion equation
   69.39 : 104.15 = 28.82 : x
2. Step 2: Convert to fraction form
   69.39/104.15 = 28.82/x
3. Step 3: Cross multiply
   69.39x = 104.15 × 28.82
4. Step 4: Simplify right side
   69.39x = 3,001.94
5. Step 5: Solve for x
   x = 3,001.94/69.39
6. Step 6: Final answer
   x = 43.26