Finding the Fourth Proportional to 580,978.07, 801,732.29 and 322,854.15

Step by Step Solution

1. Step 1: Write the proportion equation
   580,978.07 : 801,732.29 = 322,854.15 : x
2. Step 2: Convert to fraction form
   580,978.07/801,732.29 = 322,854.15/x
3. Step 3: Cross multiply
   580,978.07x = 801,732.29 × 322,854.15
4. Step 4: Simplify right side
   580,978.07x = 258,842,595,401.23
5. Step 5: Solve for x
   x = 258,842,595,401.23/580,978.07
6. Step 6: Final answer
   x = 445,529.03