Finding the Fourth Proportional to 580,667.91, 801,294.63 and 322,561.58

Step by Step Solution

1. Step 1: Write the proportion equation
   580,667.91 : 801,294.63 = 322,561.58 : x
2. Step 2: Convert to fraction form
   580,667.91/801,294.63 = 322,561.58/x
3. Step 3: Cross multiply
   580,667.91x = 801,294.63 × 322,561.58
4. Step 4: Simplify right side
   580,667.91x = 258,466,861,898.32
5. Step 5: Solve for x
   x = 258,466,861,898.32/580,667.91
6. Step 6: Final answer
   x = 445,119.93