Finding the Fourth Proportional to 2,144.41, 2,957.30 and 1,647.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.41 : 2,957.30 = 1,647.07 : x
2. Step 2: Convert to fraction form
   2,144.41/2,957.30 = 1,647.07/x
3. Step 3: Cross multiply
   2,144.41x = 2,957.30 × 1,647.07
4. Step 4: Simplify right side
   2,144.41x = 4,870,865.32
5. Step 5: Solve for x
   x = 4,870,865.32/2,144.41
6. Step 6: Final answer
   x = 2,271.43