Finding the Fourth Proportional to 2,298.42, 3,171.80 and 1,250.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.42 : 3,171.80 = 1,250.50 : x
2. Step 2: Convert to fraction form
   2,298.42/3,171.80 = 1,250.50/x
3. Step 3: Cross multiply
   2,298.42x = 3,171.80 × 1,250.50
4. Step 4: Simplify right side
   2,298.42x = 3,966,335.90
5. Step 5: Solve for x
   x = 3,966,335.90/2,298.42
6. Step 6: Final answer
   x = 1,725.68