Finding the Fourth Proportional to 2,553.89, 3,524.41 and 1,434.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.89 : 3,524.41 = 1,434.92 : x
2. Step 2: Convert to fraction form
   2,553.89/3,524.41 = 1,434.92/x
3. Step 3: Cross multiply
   2,553.89x = 3,524.41 × 1,434.92
4. Step 4: Simplify right side
   2,553.89x = 5,057,230.57
5. Step 5: Solve for x
   x = 5,057,230.57/2,553.89
6. Step 6: Final answer
   x = 1,980.21