Finding the Fourth Proportional to 2,428,788,654.77, 3,643,405,314.56 and 681,979,620.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,788,654.77 : 3,643,405,314.56 = 681,979,620.29 : x
2. Step 2: Convert to fraction form
   2,428,788,654.77/3,643,405,314.56 = 681,979,620.29/x
3. Step 3: Cross multiply
   2,428,788,654.77x = 3,643,405,314.56 × 681,979,620.29
4. Step 4: Simplify right side
   2,428,788,654.77x = 2,484,728,172,982,786,560
5. Step 5: Solve for x
   x = 2,484,728,172,982,786,560/2,428,788,654.77
6. Step 6: Final answer
   x = 1,023,031,859.15