Finding the Fourth Proportional to 2,321.67, 3,203.87 and 1,273.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.67 : 3,203.87 = 1,273.71 : x
2. Step 2: Convert to fraction form
   2,321.67/3,203.87 = 1,273.71/x
3. Step 3: Cross multiply
   2,321.67x = 3,203.87 × 1,273.71
4. Step 4: Simplify right side
   2,321.67x = 4,080,794.89
5. Step 5: Solve for x
   x = 4,080,794.89/2,321.67
6. Step 6: Final answer
   x = 1,757.70