Finding the Fourth Proportional to 2,321.34, 3,203.40 and 1,273.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.34 : 3,203.40 = 1,273.42 : x
2. Step 2: Convert to fraction form
   2,321.34/3,203.40 = 1,273.42/x
3. Step 3: Cross multiply
   2,321.34x = 3,203.40 × 1,273.42
4. Step 4: Simplify right side
   2,321.34x = 4,079,273.63
5. Step 5: Solve for x
   x = 4,079,273.63/2,321.34
6. Step 6: Final answer
   x = 1,757.29