Finding the Fourth Proportional to 2,245.40, 3,098.61 and 1,250.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.40 : 3,098.61 = 1,250.76 : x
2. Step 2: Convert to fraction form
   2,245.40/3,098.61 = 1,250.76/x
3. Step 3: Cross multiply
   2,245.40x = 3,098.61 × 1,250.76
4. Step 4: Simplify right side
   2,245.40x = 3,875,617.44
5. Step 5: Solve for x
   x = 3,875,617.44/2,245.40
6. Step 6: Final answer
   x = 1,726.03