Finding the Fourth Proportional to 82.01, 113.18 and 45.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82.01 : 113.18 = 45.17 : x
2. Step 2: Convert to fraction form
   82.01/113.18 = 45.17/x
3. Step 3: Cross multiply
   82.01x = 113.18 × 45.17
4. Step 4: Simplify right side
   82.01x = 5,111.55
5. Step 5: Solve for x
   x = 5,111.55/82.01
6. Step 6: Final answer
   x = 62.33