Finding the Fourth Proportional to 2,189,056,359.36, 3,020,899,404.60 and 1,185,481,716.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,056,359.36 : 3,020,899,404.60 = 1,185,481,716.96 : x
2. Step 2: Convert to fraction form
   2,189,056,359.36/3,020,899,404.60 = 1,185,481,716.96/x
3. Step 3: Cross multiply
   2,189,056,359.36x = 3,020,899,404.60 × 1,185,481,716.96
4. Step 4: Simplify right side
   2,189,056,359.36x = 3,581,221,012,928,649,728
5. Step 5: Solve for x
   x = 3,581,221,012,928,649,728/2,189,056,359.36
6. Step 6: Final answer
   x = 1,635,965,651.42