Finding the Fourth Proportional to 2,558.94, 3,836.25 and 1,099.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.94 : 3,836.25 = 1,099.14 : x
2. Step 2: Convert to fraction form
   2,558.94/3,836.25 = 1,099.14/x
3. Step 3: Cross multiply
   2,558.94x = 3,836.25 × 1,099.14
4. Step 4: Simplify right side
   2,558.94x = 4,216,575.83
5. Step 5: Solve for x
   x = 4,216,575.83/2,558.94
6. Step 6: Final answer
   x = 1,647.78