Finding the Fourth Proportional to 2,321.58, 3,203.76 and 1,259.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.58 : 3,203.76 = 1,259.34 : x
2. Step 2: Convert to fraction form
   2,321.58/3,203.76 = 1,259.34/x
3. Step 3: Cross multiply
   2,321.58x = 3,203.76 × 1,259.34
4. Step 4: Simplify right side
   2,321.58x = 4,034,623.12
5. Step 5: Solve for x
   x = 4,034,623.12/2,321.58
6. Step 6: Final answer
   x = 1,737.88