Finding the Fourth Proportional to 2,308,678,200.09, 3,185,890,562.39 and 1,251,383,471.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,678,200.09 : 3,185,890,562.39 = 1,251,383,471.55 : x
2. Step 2: Convert to fraction form
   2,308,678,200.09/3,185,890,562.39 = 1,251,383,471.55/x
3. Step 3: Cross multiply
   2,308,678,200.09x = 3,185,890,562.39 × 1,251,383,471.55
4. Step 4: Simplify right side
   2,308,678,200.09x = 3,986,770,791,935,723,520
5. Step 5: Solve for x
   x = 3,986,770,791,935,723,520/2,308,678,200.09
6. Step 6: Final answer
   x = 1,726,862,926.06