Finding the Fourth Proportional to 1,863,715,142.92, 2,571,980,729.72 and 1,028,393,506.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,715,142.92 : 2,571,980,729.72 = 1,028,393,506.12 : x
2. Step 2: Convert to fraction form
   1,863,715,142.92/2,571,980,729.72 = 1,028,393,506.12/x
3. Step 3: Cross multiply
   1,863,715,142.92x = 2,571,980,729.72 × 1,028,393,506.12
4. Step 4: Simplify right side
   1,863,715,142.92x = 2,645,008,280,309,826,560
5. Step 5: Solve for x
   x = 2,645,008,280,309,826,560/1,863,715,142.92
6. Step 6: Final answer
   x = 1,419,212,743.08