Finding the Fourth Proportional to 2,049.46, 2,827.98 and 1,210.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.46 : 2,827.98 = 1,210.20 : x
2. Step 2: Convert to fraction form
   2,049.46/2,827.98 = 1,210.20/x
3. Step 3: Cross multiply
   2,049.46x = 2,827.98 × 1,210.20
4. Step 4: Simplify right side
   2,049.46x = 3,422,421.40
5. Step 5: Solve for x
   x = 3,422,421.40/2,049.46
6. Step 6: Final answer
   x = 1,669.91