Finding the Fourth Proportional to 2,144.06, 2,958.83 and 1,259.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.06 : 2,958.83 = 1,259.88 : x
2. Step 2: Convert to fraction form
   2,144.06/2,958.83 = 1,259.88/x
3. Step 3: Cross multiply
   2,144.06x = 2,958.83 × 1,259.88
4. Step 4: Simplify right side
   2,144.06x = 3,727,770.74
5. Step 5: Solve for x
   x = 3,727,770.74/2,144.06
6. Step 6: Final answer
   x = 1,738.65