Finding the Fourth Proportional to 2,144.76, 2,958.17 and 1,359.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.76 : 2,958.17 = 1,359.06 : x
2. Step 2: Convert to fraction form
   2,144.76/2,958.17 = 1,359.06/x
3. Step 3: Cross multiply
   2,144.76x = 2,958.17 × 1,359.06
4. Step 4: Simplify right side
   2,144.76x = 4,020,323.72
5. Step 5: Solve for x
   x = 4,020,323.72/2,144.76
6. Step 6: Final answer
   x = 1,874.49