Finding the Fourth Proportional to 572,344.90, 789,796.42 and 317,676.04

Step by Step Solution

1. Step 1: Write the proportion equation
   572,344.90 : 789,796.42 = 317,676.04 : x
2. Step 2: Convert to fraction form
   572,344.90/789,796.42 = 317,676.04/x
3. Step 3: Cross multiply
   572,344.90x = 789,796.42 × 317,676.04
4. Step 4: Simplify right side
   572,344.90x = 250,899,399,111.78
5. Step 5: Solve for x
   x = 250,899,399,111.78/572,344.90
6. Step 6: Final answer
   x = 438,370.99