Finding the Fourth Proportional to 69.32, 104.00 and 53.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69.32 : 104.00 = 53.25 : x
2. Step 2: Convert to fraction form
   69.32/104.00 = 53.25/x
3. Step 3: Cross multiply
   69.32x = 104.00 × 53.25
4. Step 4: Simplify right side
   69.32x = 5,537.73
5. Step 5: Solve for x
   x = 5,537.73/69.32
6. Step 6: Final answer
   x = 79.89