Finding the Fourth Proportional to 2,517,078.56, 3,773,089.67 and 809,967.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517,078.56 : 3,773,089.67 = 809,967.20 : x
2. Step 2: Convert to fraction form
   2,517,078.56/3,773,089.67 = 809,967.20/x
3. Step 3: Cross multiply
   2,517,078.56x = 3,773,089.67 × 809,967.20
4. Step 4: Simplify right side
   2,517,078.56x = 3,056,078,852,443.54
5. Step 5: Solve for x
   x = 3,056,078,852,443.54/2,517,078.56
6. Step 6: Final answer
   x = 1,214,137.26