Finding the Fourth Proportional to 4,123,218,229.60, 5,689,993,327.12 and 2,243,591,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,218,229.60 : 5,689,993,327.12 = 2,243,591,128.72 : x
2. Step 2: Convert to fraction form
   4,123,218,229.60/5,689,993,327.12 = 2,243,591,128.72/x
3. Step 3: Cross multiply
   4,123,218,229.60x = 5,689,993,327.12 × 2,243,591,128.72
4. Step 4: Simplify right side
   4,123,218,229.60x = 12,766,018,551,202,426,880
5. Step 5: Solve for x
   x = 12,766,018,551,202,426,880/4,123,218,229.60
6. Step 6: Final answer
   x = 3,096,129,731.76