Finding the Fourth Proportional to 2,524,826,407.90, 3,483,958,640.78 and 1,395,643,626.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524,826,407.90 : 3,483,958,640.78 = 1,395,643,626.94 : x
2. Step 2: Convert to fraction form
   2,524,826,407.90/3,483,958,640.78 = 1,395,643,626.94/x
3. Step 3: Cross multiply
   2,524,826,407.90x = 3,483,958,640.78 × 1,395,643,626.94
4. Step 4: Simplify right side
   2,524,826,407.90x = 4,862,364,673,527,152,640
5. Step 5: Solve for x
   x = 4,862,364,673,527,152,640/2,524,826,407.90
6. Step 6: Final answer
   x = 1,925,821,378.58