Finding the Fourth Proportional to 2,643,158, 3,647,561.28 and 1,435,934

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643,158 : 3,647,561.28 = 1,435,934 : x
2. Step 2: Convert to fraction form
   2,643,158/3,647,561.28 = 1,435,934/x
3. Step 3: Cross multiply
   2,643,158x = 3,647,561.28 × 1,435,934
4. Step 4: Simplify right side
   2,643,158x = 5,237,657,259,035.52
5. Step 5: Solve for x
   x = 5,237,657,259,035.52/2,643,158
6. Step 6: Final answer
   x = 1,981,590.68