Finding the Fourth Proportional to 2,568,464, 3,849,910.30 and 1,285,978.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568,464 : 3,849,910.30 = 1,285,978.51 : x
2. Step 2: Convert to fraction form
   2,568,464/3,849,910.30 = 1,285,978.51/x
3. Step 3: Cross multiply
   2,568,464x = 3,849,910.30 × 1,285,978.51
4. Step 4: Simplify right side
   2,568,464x = 4,950,901,911,227.65
5. Step 5: Solve for x
   x = 4,950,901,911,227.65/2,568,464
6. Step 6: Final answer
   x = 1,927,573.02