Finding the Fourth Proportional to 1,282,404,743.82, 1,769,569,246.98 and 717,920,535.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,404,743.82 : 1,769,569,246.98 = 717,920,535.78 : x
2. Step 2: Convert to fraction form
   1,282,404,743.82/1,769,569,246.98 = 717,920,535.78/x
3. Step 3: Cross multiply
   1,282,404,743.82x = 1,769,569,246.98 × 717,920,535.78
4. Step 4: Simplify right side
   1,282,404,743.82x = 1,270,410,101,891,692,800
5. Step 5: Solve for x
   x = 1,270,410,101,891,692,800/1,282,404,743.82
6. Step 6: Final answer
   x = 990,646,757.99