Finding the Fourth Proportional to 2,048.34, 2,826.76 and 1,209.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.34 : 2,826.76 = 1,209.25 : x
2. Step 2: Convert to fraction form
   2,048.34/2,826.76 = 1,209.25/x
3. Step 3: Cross multiply
   2,048.34x = 2,826.76 × 1,209.25
4. Step 4: Simplify right side
   2,048.34x = 3,418,253.48
5. Step 5: Solve for x
   x = 3,418,253.48/2,048.34
6. Step 6: Final answer
   x = 1,668.79