Finding the Fourth Proportional to 580,513.94, 801,036.69 and 322,355.78

Step by Step Solution

1. Step 1: Write the proportion equation
   580,513.94 : 801,036.69 = 322,355.78 : x
2. Step 2: Convert to fraction form
   580,513.94/801,036.69 = 322,355.78/x
3. Step 3: Cross multiply
   580,513.94x = 801,036.69 × 322,355.78
4. Step 4: Simplify right side
   580,513.94x = 258,218,810,823.35
5. Step 5: Solve for x
   x = 258,218,810,823.35/580,513.94
6. Step 6: Final answer
   x = 444,810.70