Finding the Fourth Proportional to 2,206,293.31, 3,307,544.56 and 766,789.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,206,293.31 : 3,307,544.56 = 766,789.72 : x
2. Step 2: Convert to fraction form
   2,206,293.31/3,307,544.56 = 766,789.72/x
3. Step 3: Cross multiply
   2,206,293.31x = 3,307,544.56 × 766,789.72
4. Step 4: Simplify right side
   2,206,293.31x = 2,536,191,156,864.09
5. Step 5: Solve for x
   x = 2,536,191,156,864.09/2,206,293.31
6. Step 6: Final answer
   x = 1,149,525.84