Finding the Fourth Proportional to 2,200,194,789.49, 3,300,620,303.49 and 726,490,263.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200,194,789.49 : 3,300,620,303.49 = 726,490,263.25 : x
2. Step 2: Convert to fraction form
   2,200,194,789.49/3,300,620,303.49 = 726,490,263.25/x
3. Step 3: Cross multiply
   2,200,194,789.49x = 3,300,620,303.49 × 726,490,263.25
4. Step 4: Simplify right side
   2,200,194,789.49x = 2,397,868,513,170,744,832
5. Step 5: Solve for x
   x = 2,397,868,513,170,744,832/2,200,194,789.49
6. Step 6: Final answer
   x = 1,089,843,737.76