Finding the Fourth Proportional to 2,144.03, 2,958.30 and 1,259.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.03 : 2,958.30 = 1,259.32 : x
2. Step 2: Convert to fraction form
   2,144.03/2,958.30 = 1,259.32/x
3. Step 3: Cross multiply
   2,144.03x = 2,958.30 × 1,259.32
4. Step 4: Simplify right side
   2,144.03x = 3,725,446.36
5. Step 5: Solve for x
   x = 3,725,446.36/2,144.03
6. Step 6: Final answer
   x = 1,737.59