Finding the Fourth Proportional to 2,613,261,595.28, 3,920,466,359.76 and 772,870,793.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613,261,595.28 : 3,920,466,359.76 = 772,870,793.36 : x
2. Step 2: Convert to fraction form
   2,613,261,595.28/3,920,466,359.76 = 772,870,793.36/x
3. Step 3: Cross multiply
   2,613,261,595.28x = 3,920,466,359.76 × 772,870,793.36
4. Step 4: Simplify right side
   2,613,261,595.28x = 3,030,013,945,808,902,656
5. Step 5: Solve for x
   x = 3,030,013,945,808,902,656/2,613,261,595.28
6. Step 6: Final answer
   x = 1,159,475,940.44