Finding the Fourth Proportional to 571,871.34, 789,276.69 and 317,304.54

Step by Step Solution

1. Step 1: Write the proportion equation
   571,871.34 : 789,276.69 = 317,304.54 : x
2. Step 2: Convert to fraction form
   571,871.34/789,276.69 = 317,304.54/x
3. Step 3: Cross multiply
   571,871.34x = 789,276.69 × 317,304.54
4. Step 4: Simplify right side
   571,871.34x = 250,441,077,053.17
5. Step 5: Solve for x
   x = 250,441,077,053.17/571,871.34
6. Step 6: Final answer
   x = 437,932.55