Finding the Fourth Proportional to 2,142.23, 2,955.09 and 1,744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.23 : 2,955.09 = 1,744.31 : x
2. Step 2: Convert to fraction form
   2,142.23/2,955.09 = 1,744.31/x
3. Step 3: Cross multiply
   2,142.23x = 2,955.09 × 1,744.31
4. Step 4: Simplify right side
   2,142.23x = 5,154,593.04
5. Step 5: Solve for x
   x = 5,154,593.04/2,142.23
6. Step 6: Final answer
   x = 2,406.18