Finding the Fourth Proportional to 469,142.88, 647,413.52 and 254,277.42

Step by Step Solution

1. Step 1: Write the proportion equation
   469,142.88 : 647,413.52 = 254,277.42 : x
2. Step 2: Convert to fraction form
   469,142.88/647,413.52 = 254,277.42/x
3. Step 3: Cross multiply
   469,142.88x = 647,413.52 × 254,277.42
4. Step 4: Simplify right side
   469,142.88x = 164,622,639,538.72
5. Step 5: Solve for x
   x = 164,622,639,538.72/469,142.88
6. Step 6: Final answer
   x = 350,900.86