Finding the Fourth Proportional to 2,200,194,791.49, 3,300,620,306.49 and 726,490,265.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200,194,791.49 : 3,300,620,306.49 = 726,490,265.25 : x
2. Step 2: Convert to fraction form
   2,200,194,791.49/3,300,620,306.49 = 726,490,265.25/x
3. Step 3: Cross multiply
   2,200,194,791.49x = 3,300,620,306.49 × 726,490,265.25
4. Step 4: Simplify right side
   2,200,194,791.49x = 2,397,868,521,951,456,256
5. Step 5: Solve for x
   x = 2,397,868,521,951,456,256/2,200,194,791.49
6. Step 6: Final answer
   x = 1,089,843,740.76