Finding the Fourth Proportional to 457,019.82, 630,683.82 and 253,069.92

Step by Step Solution

1. Step 1: Write the proportion equation
   457,019.82 : 630,683.82 = 253,069.92 : x
2. Step 2: Convert to fraction form
   457,019.82/630,683.82 = 253,069.92/x
3. Step 3: Cross multiply
   457,019.82x = 630,683.82 × 253,069.92
4. Step 4: Simplify right side
   457,019.82x = 159,607,103,872.69
5. Step 5: Solve for x
   x = 159,607,103,872.69/457,019.82
6. Step 6: Final answer
   x = 349,234.53