Finding the Fourth Proportional to 2,183.18, 3,012.45 and 1,251.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.18 : 3,012.45 = 1,251.50 : x
2. Step 2: Convert to fraction form
   2,183.18/3,012.45 = 1,251.50/x
3. Step 3: Cross multiply
   2,183.18x = 3,012.45 × 1,251.50
4. Step 4: Simplify right side
   2,183.18x = 3,770,081.18
5. Step 5: Solve for x
   x = 3,770,081.18/2,183.18
6. Step 6: Final answer
   x = 1,726.88