Finding the Fourth Proportional to 82.43, 113.75 and 45.59

Step by Step Solution

1. Step 1: Write the proportion equation
   82.43 : 113.75 = 45.59 : x
2. Step 2: Convert to fraction form
   82.43/113.75 = 45.59/x
3. Step 3: Cross multiply
   82.43x = 113.75 × 45.59
4. Step 4: Simplify right side
   82.43x = 5,185.86
5. Step 5: Solve for x
   x = 5,185.86/82.43
6. Step 6: Final answer
   x = 62.91