Finding the Fourth Proportional to 2,298.55, 3,171.90 and 1,250.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.55 : 3,171.90 = 1,250.59 : x
2. Step 2: Convert to fraction form
   2,298.55/3,171.90 = 1,250.59/x
3. Step 3: Cross multiply
   2,298.55x = 3,171.90 × 1,250.59
4. Step 4: Simplify right side
   2,298.55x = 3,966,730.56
5. Step 5: Solve for x
   x = 3,966,730.56/2,298.55
6. Step 6: Final answer
   x = 1,725.76