Finding the Fourth Proportional to 494,622.88, 682,517.52 and 293,380

Step by Step Solution

1. Step 1: Write the proportion equation
   494,622.88 : 682,517.52 = 293,380 : x
2. Step 2: Convert to fraction form
   494,622.88/682,517.52 = 293,380/x
3. Step 3: Cross multiply
   494,622.88x = 682,517.52 × 293,380
4. Step 4: Simplify right side
   494,622.88x = 200,236,990,017.60
5. Step 5: Solve for x
   x = 200,236,990,017.60/494,622.88
6. Step 6: Final answer
   x = 404,827.59