Finding the Fourth Proportional to 494,401.80, 740,436.30 and 335,771.40

Step by Step Solution

1. Step 1: Write the proportion equation
   494,401.80 : 740,436.30 = 335,771.40 : x
2. Step 2: Convert to fraction form
   494,401.80/740,436.30 = 335,771.40/x
3. Step 3: Cross multiply
   494,401.80x = 740,436.30 × 335,771.40
4. Step 4: Simplify right side
   494,401.80x = 248,617,333,061.82
5. Step 5: Solve for x
   x = 248,617,333,061.82/494,401.80
6. Step 6: Final answer
   x = 502,864.94