Finding the Fourth Proportional to 1,039,185.69, 1,433,949.78 and 580,325.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,185.69 : 1,433,949.78 = 580,325.75 : x
2. Step 2: Convert to fraction form
   1,039,185.69/1,433,949.78 = 580,325.75/x
3. Step 3: Cross multiply
   1,039,185.69x = 1,433,949.78 × 580,325.75
4. Step 4: Simplify right side
   1,039,185.69x = 832,157,981,924.62
5. Step 5: Solve for x
   x = 832,157,981,924.62/1,039,185.69
6. Step 6: Final answer
   x = 800,778.91