Finding the Fourth Proportional to 2,793,260.82, 4,189,126.56 and 771,021.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,793,260.82 : 4,189,126.56 = 771,021.30 : x
2. Step 2: Convert to fraction form
   2,793,260.82/4,189,126.56 = 771,021.30/x
3. Step 3: Cross multiply
   2,793,260.82x = 4,189,126.56 × 771,021.30
4. Step 4: Simplify right side
   2,793,260.82x = 3,229,905,806,155.73
5. Step 5: Solve for x
   x = 3,229,905,806,155.73/2,793,260.82
6. Step 6: Final answer
   x = 1,156,320.88