Finding the Fourth Proportional to 709,608.69, 1,063,838.34 and 484,401.96

Step by Step Solution

1. Step 1: Write the proportion equation
   709,608.69 : 1,063,838.34 = 484,401.96 : x
2. Step 2: Convert to fraction form
   709,608.69/1,063,838.34 = 484,401.96/x
3. Step 3: Cross multiply
   709,608.69x = 1,063,838.34 × 484,401.96
4. Step 4: Simplify right side
   709,608.69x = 515,325,377,019.15
5. Step 5: Solve for x
   x = 515,325,377,019.15/709,608.69
6. Step 6: Final answer
   x = 726,210.63