Finding the Fourth Proportional to 2,553.22, 3,523.72 and 1,434.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.22 : 3,523.72 = 1,434.46 : x
2. Step 2: Convert to fraction form
   2,553.22/3,523.72 = 1,434.46/x
3. Step 3: Cross multiply
   2,553.22x = 3,523.72 × 1,434.46
4. Step 4: Simplify right side
   2,553.22x = 5,054,635.39
5. Step 5: Solve for x
   x = 5,054,635.39/2,553.22
6. Step 6: Final answer
   x = 1,979.71