Finding the Fourth Proportional to 2,553.56, 3,523.78 and 1,434.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.56 : 3,523.78 = 1,434.54 : x
2. Step 2: Convert to fraction form
   2,553.56/3,523.78 = 1,434.54/x
3. Step 3: Cross multiply
   2,553.56x = 3,523.78 × 1,434.54
4. Step 4: Simplify right side
   2,553.56x = 5,054,996.19
5. Step 5: Solve for x
   x = 5,054,996.19/2,553.56
6. Step 6: Final answer
   x = 1,979.59