Finding the Fourth Proportional to 2,399,513,568.72, 3,598,339,828.31 and 825,321,553.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,513,568.72 : 3,598,339,828.31 = 825,321,553.80 : x
2. Step 2: Convert to fraction form
   2,399,513,568.72/3,598,339,828.31 = 825,321,553.80/x
3. Step 3: Cross multiply
   2,399,513,568.72x = 3,598,339,828.31 × 825,321,553.80
4. Step 4: Simplify right side
   2,399,513,568.72x = 2,969,787,418,201,234,432
5. Step 5: Solve for x
   x = 2,969,787,418,201,234,432/2,399,513,568.72
6. Step 6: Final answer
   x = 1,237,662,273.27