Finding the Fourth Proportional to 469,436.83, 647,850.23 and 265,505.83

Step by Step Solution

1. Step 1: Write the proportion equation
   469,436.83 : 647,850.23 = 265,505.83 : x
2. Step 2: Convert to fraction form
   469,436.83/647,850.23 = 265,505.83/x
3. Step 3: Cross multiply
   469,436.83x = 647,850.23 × 265,505.83
4. Step 4: Simplify right side
   469,436.83x = 172,008,011,704.31
5. Step 5: Solve for x
   x = 172,008,011,704.31/469,436.83
6. Step 6: Final answer
   x = 366,413.54