Finding the Fourth Proportional to 2,142.64, 2,955.72 and 1,444.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.64 : 2,955.72 = 1,444.24 : x
2. Step 2: Convert to fraction form
   2,142.64/2,955.72 = 1,444.24/x
3. Step 3: Cross multiply
   2,142.64x = 2,955.72 × 1,444.24
4. Step 4: Simplify right side
   2,142.64x = 4,268,769.05
5. Step 5: Solve for x
   x = 4,268,769.05/2,142.64
6. Step 6: Final answer
   x = 1,992.29