Finding the Fourth Proportional to 2,182.69, 3,012.31 and 1,251.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.69 : 3,012.31 = 1,251.19 : x
2. Step 2: Convert to fraction form
   2,182.69/3,012.31 = 1,251.19/x
3. Step 3: Cross multiply
   2,182.69x = 3,012.31 × 1,251.19
4. Step 4: Simplify right side
   2,182.69x = 3,768,966.18
5. Step 5: Solve for x
   x = 3,768,966.18/2,182.69
6. Step 6: Final answer
   x = 1,726.75