Finding the Fourth Proportional to 2,298.24, 3,171.59 and 1,250.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.24 : 3,171.59 = 1,250.31 : x
2. Step 2: Convert to fraction form
   2,298.24/3,171.59 = 1,250.31/x
3. Step 3: Cross multiply
   2,298.24x = 3,171.59 × 1,250.31
4. Step 4: Simplify right side
   2,298.24x = 3,965,464.44
5. Step 5: Solve for x
   x = 3,965,464.44/2,298.24
6. Step 6: Final answer
   x = 1,725.44