Finding the Fourth Proportional to 80,674.42, 111,328.78 and 43,879.71

Step by Step Solution

1. Step 1: Write the proportion equation
   80,674.42 : 111,328.78 = 43,879.71 : x
2. Step 2: Convert to fraction form
   80,674.42/111,328.78 = 43,879.71/x
3. Step 3: Cross multiply
   80,674.42x = 111,328.78 × 43,879.71
4. Step 4: Simplify right side
   80,674.42x = 4,885,074,581.05
5. Step 5: Solve for x
   x = 4,885,074,581.05/80,674.42
6. Step 6: Final answer
   x = 60,552.96