Finding the Fourth Proportional to 2,553.27, 3,523.29 and 1,434.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.27 : 3,523.29 = 1,434.06 : x
2. Step 2: Convert to fraction form
   2,553.27/3,523.29 = 1,434.06/x
3. Step 3: Cross multiply
   2,553.27x = 3,523.29 × 1,434.06
4. Step 4: Simplify right side
   2,553.27x = 5,052,609.26
5. Step 5: Solve for x
   x = 5,052,609.26/2,553.27
6. Step 6: Final answer
   x = 1,978.88