Finding the Fourth Proportional to 2,826,410.68, 4,238,978.55 and 804,609.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826,410.68 : 4,238,978.55 = 804,609.64 : x
2. Step 2: Convert to fraction form
   2,826,410.68/4,238,978.55 = 804,609.64/x
3. Step 3: Cross multiply
   2,826,410.68x = 4,238,978.55 × 804,609.64
4. Step 4: Simplify right side
   2,826,410.68x = 3,410,723,005,083.22
5. Step 5: Solve for x
   x = 3,410,723,005,083.22/2,826,410.68
6. Step 6: Final answer
   x = 1,206,732.99