Finding the Fourth Proportional to 80,902.73, 111,660.05 and 50,713.94

Step by Step Solution

1. Step 1: Write the proportion equation
   80,902.73 : 111,660.05 = 50,713.94 : x
2. Step 2: Convert to fraction form
   80,902.73/111,660.05 = 50,713.94/x
3. Step 3: Cross multiply
   80,902.73x = 111,660.05 × 50,713.94
4. Step 4: Simplify right side
   80,902.73x = 5,662,720,264.23
5. Step 5: Solve for x
   x = 5,662,720,264.23/80,902.73
6. Step 6: Final answer
   x = 69,994.18