Finding the Fourth Proportional to 3,209,344,521.98, 4,428,900,650.50 and 1,780,415,665.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,209,344,521.98 : 4,428,900,650.50 = 1,780,415,665.56 : x
2. Step 2: Convert to fraction form
   3,209,344,521.98/4,428,900,650.50 = 1,780,415,665.56/x
3. Step 3: Cross multiply
   3,209,344,521.98x = 4,428,900,650.50 × 1,780,415,665.56
4. Step 4: Simplify right side
   3,209,344,521.98x = 7,885,284,099,359,074,304
5. Step 5: Solve for x
   x = 7,885,284,099,359,074,304/3,209,344,521.98
6. Step 6: Final answer
   x = 2,456,976,508.86