Finding the Fourth Proportional to 2,305.82, 3,182.00 and 1,257.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,305.82 : 3,182.00 = 1,257.81 : x
2. Step 2: Convert to fraction form
   2,305.82/3,182.00 = 1,257.81/x
3. Step 3: Cross multiply
   2,305.82x = 3,182.00 × 1,257.81
4. Step 4: Simplify right side
   2,305.82x = 4,002,345.13
5. Step 5: Solve for x
   x = 4,002,345.13/2,305.82
6. Step 6: Final answer
   x = 1,735.76