Finding the Fourth Proportional to 2,144.77, 2,959.30 and 1,358.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.77 : 2,959.30 = 1,358.37 : x
2. Step 2: Convert to fraction form
   2,144.77/2,959.30 = 1,358.37/x
3. Step 3: Cross multiply
   2,144.77x = 2,959.30 × 1,358.37
4. Step 4: Simplify right side
   2,144.77x = 4,019,824.34
5. Step 5: Solve for x
   x = 4,019,824.34/2,144.77
6. Step 6: Final answer
   x = 1,874.24