Finding the Fourth Proportional to 2,414,456,067.70, 3,621,684,101.55 and 861,798,042.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,414,456,067.70 : 3,621,684,101.55 = 861,798,042.10 : x
2. Step 2: Convert to fraction form
   2,414,456,067.70/3,621,684,101.55 = 861,798,042.10/x
3. Step 3: Cross multiply
   2,414,456,067.70x = 3,621,684,101.55 × 861,798,042.10
4. Step 4: Simplify right side
   2,414,456,067.70x = 3,121,160,267,820,487,680
5. Step 5: Solve for x
   x = 3,121,160,267,820,487,680/2,414,456,067.70
6. Step 6: Final answer
   x = 1,292,697,063.15