Finding the Fourth Proportional to 859,105.62, 1,185,496.39 and 496,552.96

Step by Step Solution

1. Step 1: Write the proportion equation
   859,105.62 : 1,185,496.39 = 496,552.96 : x
2. Step 2: Convert to fraction form
   859,105.62/1,185,496.39 = 496,552.96/x
3. Step 3: Cross multiply
   859,105.62x = 1,185,496.39 × 496,552.96
4. Step 4: Simplify right side
   859,105.62x = 588,661,743,626.38
5. Step 5: Solve for x
   x = 588,661,743,626.38/859,105.62
6. Step 6: Final answer
   x = 685,202.99