Finding the Fourth Proportional to 2,048.52, 2,827.17 and 1,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.52 : 2,827.17 = 1,209.50 : x
2. Step 2: Convert to fraction form
   2,048.52/2,827.17 = 1,209.50/x
3. Step 3: Cross multiply
   2,048.52x = 2,827.17 × 1,209.50
4. Step 4: Simplify right side
   2,048.52x = 3,419,441.93
5. Step 5: Solve for x
   x = 3,419,441.93/2,048.52
6. Step 6: Final answer
   x = 1,669.23