Finding the Fourth Proportional to 410,947.25, 567,067.42 and 257,936.53

Step by Step Solution

1. Step 1: Write the proportion equation
   410,947.25 : 567,067.42 = 257,936.53 : x
2. Step 2: Convert to fraction form
   410,947.25/567,067.42 = 257,936.53/x
3. Step 3: Cross multiply
   410,947.25x = 567,067.42 × 257,936.53
4. Step 4: Simplify right side
   410,947.25x = 146,267,401,301.17
5. Step 5: Solve for x
   x = 146,267,401,301.17/410,947.25
6. Step 6: Final answer
   x = 355,927.44