Finding the Fourth Proportional to 2,298.22, 3,171.43 and 1,250.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.22 : 3,171.43 = 1,250.28 : x
2. Step 2: Convert to fraction form
   2,298.22/3,171.43 = 1,250.28/x
3. Step 3: Cross multiply
   2,298.22x = 3,171.43 × 1,250.28
4. Step 4: Simplify right side
   2,298.22x = 3,965,169.25
5. Step 5: Solve for x
   x = 3,965,169.25/2,298.22
6. Step 6: Final answer
   x = 1,725.32