Finding the Fourth Proportional to 2,553.97, 3,524.59 and 1,434.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.97 : 3,524.59 = 1,434.89 : x
2. Step 2: Convert to fraction form
   2,553.97/3,524.59 = 1,434.89/x
3. Step 3: Cross multiply
   2,553.97x = 3,524.59 × 1,434.89
4. Step 4: Simplify right side
   2,553.97x = 5,057,398.95
5. Step 5: Solve for x
   x = 5,057,398.95/2,553.97
6. Step 6: Final answer
   x = 1,980.21