Finding the Fourth Proportional to 2,144.23, 3,213.79 and 1,046.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.23 : 3,213.79 = 1,046.07 : x
2. Step 2: Convert to fraction form
   2,144.23/3,213.79 = 1,046.07/x
3. Step 3: Cross multiply
   2,144.23x = 3,213.79 × 1,046.07
4. Step 4: Simplify right side
   2,144.23x = 3,361,849.31
5. Step 5: Solve for x
   x = 3,361,849.31/2,144.23
6. Step 6: Final answer
   x = 1,567.86