Finding the Fourth Proportional to 3,383.72, 5,068.49 and 2,150.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,383.72 : 5,068.49 = 2,150.49 : x
2. Step 2: Convert to fraction form
   3,383.72/5,068.49 = 2,150.49/x
3. Step 3: Cross multiply
   3,383.72x = 5,068.49 × 2,150.49
4. Step 4: Simplify right side
   3,383.72x = 10,899,726.31
5. Step 5: Solve for x
   x = 10,899,726.31/3,383.72
6. Step 6: Final answer
   x = 3,221.23