Finding the Fourth Proportional to 2,179,099,359.48, 3,268,627,499.70 and 998,344,915.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179,099,359.48 : 3,268,627,499.70 = 998,344,915.32 : x
2. Step 2: Convert to fraction form
   2,179,099,359.48/3,268,627,499.70 = 998,344,915.32/x
3. Step 3: Cross multiply
   2,179,099,359.48x = 3,268,627,499.70 × 998,344,915.32
4. Step 4: Simplify right side
   2,179,099,359.48x = 3,263,217,644,400,620,032
5. Step 5: Solve for x
   x = 3,263,217,644,400,620,032/2,179,099,359.48
6. Step 6: Final answer
   x = 1,497,507,504.74