Finding the Fourth Proportional to 572,003.69, 789,365.18 and 317,354.27

Step by Step Solution

1. Step 1: Write the proportion equation
   572,003.69 : 789,365.18 = 317,354.27 : x
2. Step 2: Convert to fraction form
   572,003.69/789,365.18 = 317,354.27/x
3. Step 3: Cross multiply
   572,003.69x = 789,365.18 × 317,354.27
4. Step 4: Simplify right side
   572,003.69x = 250,508,407,308.88
5. Step 5: Solve for x
   x = 250,508,407,308.88/572,003.69
6. Step 6: Final answer
   x = 437,948.94