Finding the Fourth Proportional to 2,143.24, 2,951.55 and 1,744.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143.24 : 2,951.55 = 1,744.20 : x
2. Step 2: Convert to fraction form
   2,143.24/2,951.55 = 1,744.20/x
3. Step 3: Cross multiply
   2,143.24x = 2,951.55 × 1,744.20
4. Step 4: Simplify right side
   2,143.24x = 5,148,093.51
5. Step 5: Solve for x
   x = 5,148,093.51/2,143.24
6. Step 6: Final answer
   x = 2,402.02