Finding the Fourth Proportional to 2,144.94, 3,216.39 and 1,048.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.94 : 3,216.39 = 1,048.03 : x
2. Step 2: Convert to fraction form
   2,144.94/3,216.39 = 1,048.03/x
3. Step 3: Cross multiply
   2,144.94x = 3,216.39 × 1,048.03
4. Step 4: Simplify right side
   2,144.94x = 3,370,873.21
5. Step 5: Solve for x
   x = 3,370,873.21/2,144.94
6. Step 6: Final answer
   x = 1,571.55