Finding the Fourth Proportional to 2,188,248,846.10, 3,282,373,269.15 and 656,439,054.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,248,846.10 : 3,282,373,269.15 = 656,439,054.10 : x
2. Step 2: Convert to fraction form
   2,188,248,846.10/3,282,373,269.15 = 656,439,054.10/x
3. Step 3: Cross multiply
   2,188,248,846.10x = 3,282,373,269.15 × 656,439,054.10
4. Step 4: Simplify right side
   2,188,248,846.10x = 2,154,678,004,003,950,848
5. Step 5: Solve for x
   x = 2,154,678,004,003,950,848/2,188,248,846.10
6. Step 6: Final answer
   x = 984,658,581.15