Finding the Fourth Proportional to 2,631,761,519.36, 3,943,489,350.72 and 971,383,498.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,761,519.36 : 3,943,489,350.72 = 971,383,498.88 : x
2. Step 2: Convert to fraction form
   2,631,761,519.36/3,943,489,350.72 = 971,383,498.88/x
3. Step 3: Cross multiply
   2,631,761,519.36x = 3,943,489,350.72 × 971,383,498.88
4. Step 4: Simplify right side
   2,631,761,519.36x = 3,830,640,483,298,413,056
5. Step 5: Solve for x
   x = 3,830,640,483,298,413,056/2,631,761,519.36
6. Step 6: Final answer
   x = 1,455,542,401.97