Finding the Fourth Proportional to 80.63, 111.27 and 69.59

Step by Step Solution

1. Step 1: Write the proportion equation
   80.63 : 111.27 = 69.59 : x
2. Step 2: Convert to fraction form
   80.63/111.27 = 69.59/x
3. Step 3: Cross multiply
   80.63x = 111.27 × 69.59
4. Step 4: Simplify right side
   80.63x = 7,743.82
5. Step 5: Solve for x
   x = 7,743.82/80.63
6. Step 6: Final answer
   x = 96.04