Finding the Fourth Proportional to 2,553.29, 3,523.71 and 1,434.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.29 : 3,523.71 = 1,434.30 : x
2. Step 2: Convert to fraction form
   2,553.29/3,523.71 = 1,434.30/x
3. Step 3: Cross multiply
   2,553.29x = 3,523.71 × 1,434.30
4. Step 4: Simplify right side
   2,553.29x = 5,054,057.25
5. Step 5: Solve for x
   x = 5,054,057.25/2,553.29
6. Step 6: Final answer
   x = 1,979.43