Finding the Fourth Proportional to 2,298.17, 3,171.39 and 1,250.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.17 : 3,171.39 = 1,250.21 : x
2. Step 2: Convert to fraction form
   2,298.17/3,171.39 = 1,250.21/x
3. Step 3: Cross multiply
   2,298.17x = 3,171.39 × 1,250.21
4. Step 4: Simplify right side
   2,298.17x = 3,964,903.49
5. Step 5: Solve for x
   x = 3,964,903.49/2,298.17
6. Step 6: Final answer
   x = 1,725.24