Finding the Fourth Proportional to 492,608.82, 679,790.56 and 277,744.71

Step by Step Solution

1. Step 1: Write the proportion equation
   492,608.82 : 679,790.56 = 277,744.71 : x
2. Step 2: Convert to fraction form
   492,608.82/679,790.56 = 277,744.71/x
3. Step 3: Cross multiply
   492,608.82x = 679,790.56 × 277,744.71
4. Step 4: Simplify right side
   492,608.82x = 188,808,231,947.94
5. Step 5: Solve for x
   x = 188,808,231,947.94/492,608.82
6. Step 6: Final answer
   x = 383,282.28