Finding the Fourth Proportional to 82.48, 123.62 and 43.97

Step by Step Solution

1. Step 1: Write the proportion equation
   82.48 : 123.62 = 43.97 : x
2. Step 2: Convert to fraction form
   82.48/123.62 = 43.97/x
3. Step 3: Cross multiply
   82.48x = 123.62 × 43.97
4. Step 4: Simplify right side
   82.48x = 5,436.14
5. Step 5: Solve for x
   x = 5,436.14/82.48
6. Step 6: Final answer
   x = 65.91