Finding the Fourth Proportional to 82.48, 123.52 and 45.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82.48 : 123.52 = 45.84 : x
2. Step 2: Convert to fraction form
   82.48/123.52 = 45.84/x
3. Step 3: Cross multiply
   82.48x = 123.52 × 45.84
4. Step 4: Simplify right side
   82.48x = 5,662.16
5. Step 5: Solve for x
   x = 5,662.16/82.48
6. Step 6: Final answer
   x = 68.65