Finding the Fourth Proportional to 2,553.57, 3,524.13 and 1,434.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.57 : 3,524.13 = 1,434.75 : x
2. Step 2: Convert to fraction form
   2,553.57/3,524.13 = 1,434.75/x
3. Step 3: Cross multiply
   2,553.57x = 3,524.13 × 1,434.75
4. Step 4: Simplify right side
   2,553.57x = 5,056,245.52
5. Step 5: Solve for x
   x = 5,056,245.52/2,553.57
6. Step 6: Final answer
   x = 1,980.07