Finding the Fourth Proportional to 1,721,568, 2,582,766.72 and 539,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721,568 : 2,582,766.72 = 539,616 : x
2. Step 2: Convert to fraction form
   1,721,568/2,582,766.72 = 539,616/x
3. Step 3: Cross multiply
   1,721,568x = 2,582,766.72 × 539,616
4. Step 4: Simplify right side
   1,721,568x = 1,393,702,246,379.52
5. Step 5: Solve for x
   x = 1,393,702,246,379.52/1,721,568
6. Step 6: Final answer
   x = 809,553.99