Finding the Fourth Proportional to 82.37, 123.39 and 48.06

Step by Step Solution

1. Step 1: Write the proportion equation
   82.37 : 123.39 = 48.06 : x
2. Step 2: Convert to fraction form
   82.37/123.39 = 48.06/x
3. Step 3: Cross multiply
   82.37x = 123.39 × 48.06
4. Step 4: Simplify right side
   82.37x = 5,930.12
5. Step 5: Solve for x
   x = 5,930.12/82.37
6. Step 6: Final answer
   x = 72.00