Finding the Fourth Proportional to 2,578,664.16, 3,868,769.72 and 1,040,868.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,664.16 : 3,868,769.72 = 1,040,868.29 : x
2. Step 2: Convert to fraction form
   2,578,664.16/3,868,769.72 = 1,040,868.29/x
3. Step 3: Cross multiply
   2,578,664.16x = 3,868,769.72 × 1,040,868.29
4. Step 4: Simplify right side
   2,578,664.16x = 4,026,879,735,134.27
5. Step 5: Solve for x
   x = 4,026,879,735,134.27/2,578,664.16
6. Step 6: Final answer
   x = 1,561,614.65