Finding the Fourth Proportional to 2,321.10, 3,203.34 and 1,326.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.10 : 3,203.34 = 1,326.72 : x
2. Step 2: Convert to fraction form
   2,321.10/3,203.34 = 1,326.72/x
3. Step 3: Cross multiply
   2,321.10x = 3,203.34 × 1,326.72
4. Step 4: Simplify right side
   2,321.10x = 4,249,935.24
5. Step 5: Solve for x
   x = 4,249,935.24/2,321.10
6. Step 6: Final answer
   x = 1,831.00