Finding the Fourth Proportional to 2,581,078.69, 3,561,866.49 and 1,435,149.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,078.69 : 3,561,866.49 = 1,435,149.01 : x
2. Step 2: Convert to fraction form
   2,581,078.69/3,561,866.49 = 1,435,149.01/x
3. Step 3: Cross multiply
   2,581,078.69x = 3,561,866.49 × 1,435,149.01
4. Step 4: Simplify right side
   2,581,078.69x = 5,111,809,166,875.68
5. Step 5: Solve for x
   x = 5,111,809,166,875.68/2,581,078.69
6. Step 6: Final answer
   x = 1,980,493.34