Finding the Fourth Proportional to 2,144.89, 2,959.48 and 1,358.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.89 : 2,959.48 = 1,358.48 : x
2. Step 2: Convert to fraction form
   2,144.89/2,959.48 = 1,358.48/x
3. Step 3: Cross multiply
   2,144.89x = 2,959.48 × 1,358.48
4. Step 4: Simplify right side
   2,144.89x = 4,020,394.39
5. Step 5: Solve for x
   x = 4,020,394.39/2,144.89
6. Step 6: Final answer
   x = 1,874.41