Finding the Fourth Proportional to 80,974.21, 111,744.61 and 45,166.54

Step by Step Solution

1. Step 1: Write the proportion equation
   80,974.21 : 111,744.61 = 45,166.54 : x
2. Step 2: Convert to fraction form
   80,974.21/111,744.61 = 45,166.54/x
3. Step 3: Cross multiply
   80,974.21x = 111,744.61 × 45,166.54
4. Step 4: Simplify right side
   80,974.21x = 5,047,117,171.52
5. Step 5: Solve for x
   x = 5,047,117,171.52/80,974.21
6. Step 6: Final answer
   x = 62,329.93