Finding the Fourth Proportional to 82.48, 123.69 and 48.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82.48 : 123.69 = 48.25 : x
2. Step 2: Convert to fraction form
   82.48/123.69 = 48.25/x
3. Step 3: Cross multiply
   82.48x = 123.69 × 48.25
4. Step 4: Simplify right side
   82.48x = 5,968.04
5. Step 5: Solve for x
   x = 5,968.04/82.48
6. Step 6: Final answer
   x = 72.36