Finding the Fourth Proportional to 2,758,568,515.10, 4,139,868,311.85 and 1,942,275,139.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758,568,515.10 : 4,139,868,311.85 = 1,942,275,139.10 : x
2. Step 2: Convert to fraction form
   2,758,568,515.10/4,139,868,311.85 = 1,942,275,139.10/x
3. Step 3: Cross multiply
   2,758,568,515.10x = 4,139,868,311.85 × 1,942,275,139.10
4. Step 4: Simplify right side
   2,758,568,515.10x = 8,040,763,301,254,139,904
5. Step 5: Solve for x
   x = 8,040,763,301,254,139,904/2,758,568,515.10
6. Step 6: Final answer
   x = 2,914,831,825.72