Finding the Fourth Proportional to 2,553.52, 3,523.08 and 1,669

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.52 : 3,523.08 = 1,669 : x
2. Step 2: Convert to fraction form
   2,553.52/3,523.08 = 1,669/x
3. Step 3: Cross multiply
   2,553.52x = 3,523.08 × 1,669
4. Step 4: Simplify right side
   2,553.52x = 5,880,020.52
5. Step 5: Solve for x
   x = 5,880,020.52/2,553.52
6. Step 6: Final answer
   x = 2,302.71