Finding the Fourth Proportional to 682,401.59, 941,409.69 and 395,755.55

Step by Step Solution

1. Step 1: Write the proportion equation
   682,401.59 : 941,409.69 = 395,755.55 : x
2. Step 2: Convert to fraction form
   682,401.59/941,409.69 = 395,755.55/x
3. Step 3: Cross multiply
   682,401.59x = 941,409.69 × 395,755.55
4. Step 4: Simplify right side
   682,401.59x = 372,568,109,641.28
5. Step 5: Solve for x
   x = 372,568,109,641.28/682,401.59
6. Step 6: Final answer
   x = 545,966.06