Finding the Fourth Proportional to 2,047.92, 2,826.24 and 1,208.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.92 : 2,826.24 = 1,208.88 : x
2. Step 2: Convert to fraction form
   2,047.92/2,826.24 = 1,208.88/x
3. Step 3: Cross multiply
   2,047.92x = 2,826.24 × 1,208.88
4. Step 4: Simplify right side
   2,047.92x = 3,416,585.01
5. Step 5: Solve for x
   x = 3,416,585.01/2,047.92
6. Step 6: Final answer
   x = 1,668.32