Finding the Fourth Proportional to 8,554,399.98, 12,831,764 and 2,797,155.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,554,399.98 : 12,831,764 = 2,797,155.28 : x
2. Step 2: Convert to fraction form
   8,554,399.98/12,831,764 = 2,797,155.28/x
3. Step 3: Cross multiply
   8,554,399.98x = 12,831,764 × 2,797,155.28
4. Step 4: Simplify right side
   8,554,399.98x = 35,892,436,424,313.91
5. Step 5: Solve for x
   x = 35,892,436,424,313.91/8,554,399.98
6. Step 6: Final answer
   x = 4,195,786.56