Finding the Fourth Proportional to 2,105,408,439.43, 3,158,596,997.06 and 706,578,336.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,408,439.43 : 3,158,596,997.06 = 706,578,336.34 : x
2. Step 2: Convert to fraction form
   2,105,408,439.43/3,158,596,997.06 = 706,578,336.34/x
3. Step 3: Cross multiply
   2,105,408,439.43x = 3,158,596,997.06 × 706,578,336.34
4. Step 4: Simplify right side
   2,105,408,439.43x = 2,231,796,211,339,745,024
5. Step 5: Solve for x
   x = 2,231,796,211,339,745,024/2,105,408,439.43
6. Step 6: Final answer
   x = 1,060,030,049.06