Finding the Fourth Proportional to 2,209.25, 3,048.79 and 1,214.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.25 : 3,048.79 = 1,214.56 : x
2. Step 2: Convert to fraction form
   2,209.25/3,048.79 = 1,214.56/x
3. Step 3: Cross multiply
   2,209.25x = 3,048.79 × 1,214.56
4. Step 4: Simplify right side
   2,209.25x = 3,702,927.72
5. Step 5: Solve for x
   x = 3,702,927.72/2,209.25
6. Step 6: Final answer
   x = 1,676.10