Finding the Fourth Proportional to 2,298.49, 3,171.92 and 1,250.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.49 : 3,171.92 = 1,250.55 : x
2. Step 2: Convert to fraction form
   2,298.49/3,171.92 = 1,250.55/x
3. Step 3: Cross multiply
   2,298.49x = 3,171.92 × 1,250.55
4. Step 4: Simplify right side
   2,298.49x = 3,966,638.30
5. Step 5: Solve for x
   x = 3,966,638.30/2,298.49
6. Step 6: Final answer
   x = 1,725.76