Finding the Fourth Proportional to 2,209,067.87, 3,308,287.39 and 1,259,559.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209,067.87 : 3,308,287.39 = 1,259,559.95 : x
2. Step 2: Convert to fraction form
   2,209,067.87/3,308,287.39 = 1,259,559.95/x
3. Step 3: Cross multiply
   2,209,067.87x = 3,308,287.39 × 1,259,559.95
4. Step 4: Simplify right side
   2,209,067.87x = 4,166,986,279,843.69
5. Step 5: Solve for x
   x = 4,166,986,279,843.69/2,209,067.87
6. Step 6: Final answer
   x = 1,886,309.76