Finding the Fourth Proportional to 2,585,976,959.52, 3,568,648,067.61 and 1,396,545,813.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,976,959.52 : 3,568,648,067.61 = 1,396,545,813.69 : x
2. Step 2: Convert to fraction form
   2,585,976,959.52/3,568,648,067.61 = 1,396,545,813.69/x
3. Step 3: Cross multiply
   2,585,976,959.52x = 3,568,648,067.61 × 1,396,545,813.69
4. Step 4: Simplify right side
   2,585,976,959.52x = 4,983,780,519,353,654,272
5. Step 5: Solve for x
   x = 4,983,780,519,353,654,272/2,585,976,959.52
6. Step 6: Final answer
   x = 1,927,233,149.16