Finding the Fourth Proportional to 2,208.83, 3,048.39 and 1,214.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.83 : 3,048.39 = 1,214.31 : x
2. Step 2: Convert to fraction form
   2,208.83/3,048.39 = 1,214.31/x
3. Step 3: Cross multiply
   2,208.83x = 3,048.39 × 1,214.31
4. Step 4: Simplify right side
   2,208.83x = 3,701,674.48
5. Step 5: Solve for x
   x = 3,701,674.48/2,208.83
6. Step 6: Final answer
   x = 1,675.85