Finding the Fourth Proportional to 5,196,581,053.72, 7,171,422,863.34 and 2,938,858,198.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196,581,053.72 : 7,171,422,863.34 = 2,938,858,198.09 : x
2. Step 2: Convert to fraction form
   5,196,581,053.72/7,171,422,863.34 = 2,938,858,198.09/x
3. Step 3: Cross multiply
   5,196,581,053.72x = 7,171,422,863.34 × 2,938,858,198.09
4. Step 4: Simplify right side
   5,196,581,053.72x = 21,075,794,873,896,820,736
5. Step 5: Solve for x
   x = 21,075,794,873,896,820,736/5,196,581,053.72
6. Step 6: Final answer
   x = 4,055,704,059.27