Finding the Fourth Proportional to 80,982.41, 111,755.67 and 45,172.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,982.41 : 111,755.67 = 45,172.42 : x
2. Step 2: Convert to fraction form
   80,982.41/111,755.67 = 45,172.42/x
3. Step 3: Cross multiply
   80,982.41x = 111,755.67 × 45,172.42
4. Step 4: Simplify right side
   80,982.41x = 5,048,274,062.62
5. Step 5: Solve for x
   x = 5,048,274,062.62/80,982.41
6. Step 6: Final answer
   x = 62,337.91