Finding the Fourth Proportional to 82.58, 123.69 and 48.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82.58 : 123.69 = 48.24 : x
2. Step 2: Convert to fraction form
   82.58/123.69 = 48.24/x
3. Step 3: Cross multiply
   82.58x = 123.69 × 48.24
4. Step 4: Simplify right side
   82.58x = 5,966.81
5. Step 5: Solve for x
   x = 5,966.81/82.58
6. Step 6: Final answer
   x = 72.25