Finding the Fourth Proportional to 69.82, 96.25 and 53.42

Step by Step Solution

1. Step 1: Write the proportion equation
   69.82 : 96.25 = 53.42 : x
2. Step 2: Convert to fraction form
   69.82/96.25 = 53.42/x
3. Step 3: Cross multiply
   69.82x = 96.25 × 53.42
4. Step 4: Simplify right side
   69.82x = 5,141.91
5. Step 5: Solve for x
   x = 5,141.91/69.82
6. Step 6: Final answer
   x = 73.64