Finding the Fourth Proportional to 2,164,820,840.01, 2,987,452,759.50 and 1,174,746,257.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,820,840.01 : 2,987,452,759.50 = 1,174,746,257.01 : x
2. Step 2: Convert to fraction form
   2,164,820,840.01/2,987,452,759.50 = 1,174,746,257.01/x
3. Step 3: Cross multiply
   2,164,820,840.01x = 2,987,452,759.50 × 1,174,746,257.01
4. Step 4: Simplify right side
   2,164,820,840.01x = 3,509,498,947,216,820,736
5. Step 5: Solve for x
   x = 3,509,498,947,216,820,736/2,164,820,840.01
6. Step 6: Final answer
   x = 1,621,149,834.83