Finding the Fourth Proportional to 80,930.79, 111,755.01 and 50,767.96

Step by Step Solution

1. Step 1: Write the proportion equation
   80,930.79 : 111,755.01 = 50,767.96 : x
2. Step 2: Convert to fraction form
   80,930.79/111,755.01 = 50,767.96/x
3. Step 3: Cross multiply
   80,930.79x = 111,755.01 × 50,767.96
4. Step 4: Simplify right side
   80,930.79x = 5,673,573,877.48
5. Step 5: Solve for x
   x = 5,673,573,877.48/80,930.79
6. Step 6: Final answer
   x = 70,104.02