Finding the Fourth Proportional to 82.52, 123.80 and 43.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82.52 : 123.80 = 43.96 : x
2. Step 2: Convert to fraction form
   82.52/123.80 = 43.96/x
3. Step 3: Cross multiply
   82.52x = 123.80 × 43.96
4. Step 4: Simplify right side
   82.52x = 5,442.25
5. Step 5: Solve for x
   x = 5,442.25/82.52
6. Step 6: Final answer
   x = 65.95