Finding the Fourth Proportional to 82.46, 123.62 and 43.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82.46 : 123.62 = 43.92 : x
2. Step 2: Convert to fraction form
   82.46/123.62 = 43.92/x
3. Step 3: Cross multiply
   82.46x = 123.62 × 43.92
4. Step 4: Simplify right side
   82.46x = 5,429.17
5. Step 5: Solve for x
   x = 5,429.17/82.46
6. Step 6: Final answer
   x = 65.84