Finding the Fourth Proportional to 269,774.82, 404,661.78 and 80,234.28

Step by Step Solution

1. Step 1: Write the proportion equation
   269,774.82 : 404,661.78 = 80,234.28 : x
2. Step 2: Convert to fraction form
   269,774.82/404,661.78 = 80,234.28/x
3. Step 3: Cross multiply
   269,774.82x = 404,661.78 × 80,234.28
4. Step 4: Simplify right side
   269,774.82x = 32,467,746,561.82
5. Step 5: Solve for x
   x = 32,467,746,561.82/269,774.82
6. Step 6: Final answer
   x = 120,351.29