Finding the Fourth Proportional to 2,321.47, 3,203.61 and 1,259.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.47 : 3,203.61 = 1,259.24 : x
2. Step 2: Convert to fraction form
   2,321.47/3,203.61 = 1,259.24/x
3. Step 3: Cross multiply
   2,321.47x = 3,203.61 × 1,259.24
4. Step 4: Simplify right side
   2,321.47x = 4,034,106.15
5. Step 5: Solve for x
   x = 4,034,106.15/2,321.47
6. Step 6: Final answer
   x = 1,737.74