Finding the Fourth Proportional to 80,928.50, 121,310.89 and 33,478.02

Step by Step Solution

1. Step 1: Write the proportion equation
   80,928.50 : 121,310.89 = 33,478.02 : x
2. Step 2: Convert to fraction form
   80,928.50/121,310.89 = 33,478.02/x
3. Step 3: Cross multiply
   80,928.50x = 121,310.89 × 33,478.02
4. Step 4: Simplify right side
   80,928.50x = 4,061,248,317.94
5. Step 5: Solve for x
   x = 4,061,248,317.94/80,928.50
6. Step 6: Final answer
   x = 50,183.17