Finding the Fourth Proportional to 2,090.43, 3,134.42 and 1,440.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.43 : 3,134.42 = 1,440.41 : x
2. Step 2: Convert to fraction form
   2,090.43/3,134.42 = 1,440.41/x
3. Step 3: Cross multiply
   2,090.43x = 3,134.42 × 1,440.41
4. Step 4: Simplify right side
   2,090.43x = 4,514,827.04
5. Step 5: Solve for x
   x = 4,514,827.04/2,090.43
6. Step 6: Final answer
   x = 2,159.76