Finding the Fourth Proportional to 2,298.20, 3,171.51 and 1,250.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.20 : 3,171.51 = 1,250.25 : x
2. Step 2: Convert to fraction form
   2,298.20/3,171.51 = 1,250.25/x
3. Step 3: Cross multiply
   2,298.20x = 3,171.51 × 1,250.25
4. Step 4: Simplify right side
   2,298.20x = 3,965,180.38
5. Step 5: Solve for x
   x = 3,965,180.38/2,298.20
6. Step 6: Final answer
   x = 1,725.35