Finding the Fourth Proportional to 2,144.93, 3,215.09 and 1,404.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.93 : 3,215.09 = 1,404.26 : x
2. Step 2: Convert to fraction form
   2,144.93/3,215.09 = 1,404.26/x
3. Step 3: Cross multiply
   2,144.93x = 3,215.09 × 1,404.26
4. Step 4: Simplify right side
   2,144.93x = 4,514,830.82
5. Step 5: Solve for x
   x = 4,514,830.82/2,144.93
6. Step 6: Final answer
   x = 2,104.88