Finding the Fourth Proportional to 89.82, 134.72 and 25.69

Step by Step Solution

1. Step 1: Write the proportion equation
   89.82 : 134.72 = 25.69 : x
2. Step 2: Convert to fraction form
   89.82/134.72 = 25.69/x
3. Step 3: Cross multiply
   89.82x = 134.72 × 25.69
4. Step 4: Simplify right side
   89.82x = 3,460.96
5. Step 5: Solve for x
   x = 3,460.96/89.82
6. Step 6: Final answer
   x = 38.53