Finding the Fourth Proportional to 2,144.22, 3,216.24 and 1,048.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.22 : 3,216.24 = 1,048.68 : x
2. Step 2: Convert to fraction form
   2,144.22/3,216.24 = 1,048.68/x
3. Step 3: Cross multiply
   2,144.22x = 3,216.24 × 1,048.68
4. Step 4: Simplify right side
   2,144.22x = 3,372,806.56
5. Step 5: Solve for x
   x = 3,372,806.56/2,144.22
6. Step 6: Final answer
   x = 1,572.98