Finding the Fourth Proportional to 82.52, 123.76 and 46.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82.52 : 123.76 = 46.48 : x
2. Step 2: Convert to fraction form
   82.52/123.76 = 46.48/x
3. Step 3: Cross multiply
   82.52x = 123.76 × 46.48
4. Step 4: Simplify right side
   82.52x = 5,752.36
5. Step 5: Solve for x
   x = 5,752.36/82.52
6. Step 6: Final answer
   x = 69.71