Finding the Fourth Proportional to 69.82, 104.73 and 21.73

Step by Step Solution

1. Step 1: Write the proportion equation
   69.82 : 104.73 = 21.73 : x
2. Step 2: Convert to fraction form
   69.82/104.73 = 21.73/x
3. Step 3: Cross multiply
   69.82x = 104.73 × 21.73
4. Step 4: Simplify right side
   69.82x = 2,275.15
5. Step 5: Solve for x
   x = 2,275.15/69.82
6. Step 6: Final answer
   x = 32.59