Finding the Fourth Proportional to 80,456.87, 111,033.45 and 48,619.62

Step by Step Solution

1. Step 1: Write the proportion equation
   80,456.87 : 111,033.45 = 48,619.62 : x
2. Step 2: Convert to fraction form
   80,456.87/111,033.45 = 48,619.62/x
3. Step 3: Cross multiply
   80,456.87x = 111,033.45 × 48,619.62
4. Step 4: Simplify right side
   80,456.87x = 5,398,404,146.29
5. Step 5: Solve for x
   x = 5,398,404,146.29/80,456.87
6. Step 6: Final answer
   x = 67,096.87