Finding the Fourth Proportional to 2,144.63, 2,952.45 and 1,923.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.63 : 2,952.45 = 1,923.19 : x
2. Step 2: Convert to fraction form
   2,144.63/2,952.45 = 1,923.19/x
3. Step 3: Cross multiply
   2,144.63x = 2,952.45 × 1,923.19
4. Step 4: Simplify right side
   2,144.63x = 5,678,131.54
5. Step 5: Solve for x
   x = 5,678,131.54/2,144.63
6. Step 6: Final answer
   x = 2,647.61