Finding the Fourth Proportional to 2,642,025,976.83, 3,645,780,209.33 and 1,555,536,371.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,025,976.83 : 3,645,780,209.33 = 1,555,536,371.18 : x
2. Step 2: Convert to fraction form
   2,642,025,976.83/3,645,780,209.33 = 1,555,536,371.18/x
3. Step 3: Cross multiply
   2,642,025,976.83x = 3,645,780,209.33 × 1,555,536,371.18
4. Step 4: Simplify right side
   2,642,025,976.83x = 5,671,143,716,915,042,304
5. Step 5: Solve for x
   x = 5,671,143,716,915,042,304/2,642,025,976.83
6. Step 6: Final answer
   x = 2,146,513,231.38