Finding the Fourth Proportional to 572,076, 789,464.88 and 317,468.16

Step by Step Solution

1. Step 1: Write the proportion equation
   572,076 : 789,464.88 = 317,468.16 : x
2. Step 2: Convert to fraction form
   572,076/789,464.88 = 317,468.16/x
3. Step 3: Cross multiply
   572,076x = 789,464.88 × 317,468.16
4. Step 4: Simplify right side
   572,076x = 250,629,962,838.22
5. Step 5: Solve for x
   x = 250,629,962,838.22/572,076
6. Step 6: Final answer
   x = 438,106.06