Finding the Fourth Proportional to 80,766.82, 111,441.32 and 48,929.57

Step by Step Solution

1. Step 1: Write the proportion equation
   80,766.82 : 111,441.32 = 48,929.57 : x
2. Step 2: Convert to fraction form
   80,766.82/111,441.32 = 48,929.57/x
3. Step 3: Cross multiply
   80,766.82x = 111,441.32 × 48,929.57
4. Step 4: Simplify right side
   80,766.82x = 5,452,775,667.37
5. Step 5: Solve for x
   x = 5,452,775,667.37/80,766.82
6. Step 6: Final answer
   x = 67,512.57