Finding the Fourth Proportional to 82.32, 113.61 and 45.49

Step by Step Solution

1. Step 1: Write the proportion equation
   82.32 : 113.61 = 45.49 : x
2. Step 2: Convert to fraction form
   82.32/113.61 = 45.49/x
3. Step 3: Cross multiply
   82.32x = 113.61 × 45.49
4. Step 4: Simplify right side
   82.32x = 5,167.77
5. Step 5: Solve for x
   x = 5,167.77/82.32
6. Step 6: Final answer
   x = 62.77