Finding the Fourth Proportional to 2,144.84, 2,958.64 and 1,260.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.84 : 2,958.64 = 1,260.46 : x
2. Step 2: Convert to fraction form
   2,144.84/2,958.64 = 1,260.46/x
3. Step 3: Cross multiply
   2,144.84x = 2,958.64 × 1,260.46
4. Step 4: Simplify right side
   2,144.84x = 3,729,247.37
5. Step 5: Solve for x
   x = 3,729,247.37/2,144.84
6. Step 6: Final answer
   x = 1,738.71