Finding the Fourth Proportional to 2,574.96, 3,863.46 and 1,115.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.96 : 3,863.46 = 1,115.14 : x
2. Step 2: Convert to fraction form
   2,574.96/3,863.46 = 1,115.14/x
3. Step 3: Cross multiply
   2,574.96x = 3,863.46 × 1,115.14
4. Step 4: Simplify right side
   2,574.96x = 4,308,298.78
5. Step 5: Solve for x
   x = 4,308,298.78/2,574.96
6. Step 6: Final answer
   x = 1,673.15