Finding the Fourth Proportional to 2,144.63, 2,958.55 and 1,348.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.63 : 2,958.55 = 1,348.94 : x
2. Step 2: Convert to fraction form
   2,144.63/2,958.55 = 1,348.94/x
3. Step 3: Cross multiply
   2,144.63x = 2,958.55 × 1,348.94
4. Step 4: Simplify right side
   2,144.63x = 3,990,910.46
5. Step 5: Solve for x
   x = 3,990,910.46/2,144.63
6. Step 6: Final answer
   x = 1,860.88