Finding the Fourth Proportional to 2,107,831,550,326, 2,907,737,010,099.20 and 1,376,647,958,145.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,831,550,326 : 2,907,737,010,099.20 = 1,376,647,958,145.70 : x
2. Step 2: Convert to fraction form
   2,107,831,550,326/2,907,737,010,099.20 = 1,376,647,958,145.70/x
3. Step 3: Cross multiply
   2,107,831,550,326x = 2,907,737,010,099.20 × 1,376,647,958,145.70
4. Step 4: Simplify right side
   2,107,831,550,326x = 4,002,930,217,777,746,522,669,056
5. Step 5: Solve for x
   x = 4,002,930,217,777,746,522,669,056/2,107,831,550,326
6. Step 6: Final answer
   x = 1,899,075,007,753.18