Finding the Fourth Proportional to 2,321.25, 3,203.34 and 1,259.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.25 : 3,203.34 = 1,259.03 : x
2. Step 2: Convert to fraction form
   2,321.25/3,203.34 = 1,259.03/x
3. Step 3: Cross multiply
   2,321.25x = 3,203.34 × 1,259.03
4. Step 4: Simplify right side
   2,321.25x = 4,033,085.14
5. Step 5: Solve for x
   x = 4,033,085.14/2,321.25
6. Step 6: Final answer
   x = 1,737.46