Finding the Fourth Proportional to 394,411.22, 591,616.84 and 360,196.82

Step by Step Solution

1. Step 1: Write the proportion equation
   394,411.22 : 591,616.84 = 360,196.82 : x
2. Step 2: Convert to fraction form
   394,411.22/591,616.84 = 360,196.82/x
3. Step 3: Cross multiply
   394,411.22x = 591,616.84 × 360,196.82
4. Step 4: Simplify right side
   394,411.22x = 213,098,504,426.45
5. Step 5: Solve for x
   x = 213,098,504,426.45/394,411.22
6. Step 6: Final answer
   x = 540,295.24