Finding the Fourth Proportional to 2,608,676.97, 3,909,024.78 and 1,394,426.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,676.97 : 3,909,024.78 = 1,394,426.31 : x
2. Step 2: Convert to fraction form
   2,608,676.97/3,909,024.78 = 1,394,426.31/x
3. Step 3: Cross multiply
   2,608,676.97x = 3,909,024.78 × 1,394,426.31
4. Step 4: Simplify right side
   2,608,676.97x = 5,450,846,999,673.96
5. Step 5: Solve for x
   x = 5,450,846,999,673.96/2,608,676.97
6. Step 6: Final answer
   x = 2,089,506.31