Finding the Fourth Proportional to 82.28, 113.53 and 46.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82.28 : 113.53 = 46.83 : x
2. Step 2: Convert to fraction form
   82.28/113.53 = 46.83/x
3. Step 3: Cross multiply
   82.28x = 113.53 × 46.83
4. Step 4: Simplify right side
   82.28x = 5,315.98
5. Step 5: Solve for x
   x = 5,315.98/82.28
6. Step 6: Final answer
   x = 64.61