Finding the Fourth Proportional to 2,144.08, 2,958.06 and 1,259.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.08 : 2,958.06 = 1,259.56 : x
2. Step 2: Convert to fraction form
   2,144.08/2,958.06 = 1,259.56/x
3. Step 3: Cross multiply
   2,144.08x = 2,958.06 × 1,259.56
4. Step 4: Simplify right side
   2,144.08x = 3,725,854.05
5. Step 5: Solve for x
   x = 3,725,854.05/2,144.08
6. Step 6: Final answer
   x = 1,737.74