Finding the Fourth Proportional to 2,553.39, 3,523.59 and 1,434.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.39 : 3,523.59 = 1,434.33 : x
2. Step 2: Convert to fraction form
   2,553.39/3,523.59 = 1,434.33/x
3. Step 3: Cross multiply
   2,553.39x = 3,523.59 × 1,434.33
4. Step 4: Simplify right side
   2,553.39x = 5,053,990.84
5. Step 5: Solve for x
   x = 5,053,990.84/2,553.39
6. Step 6: Final answer
   x = 1,979.33