Finding the Fourth Proportional to 2,553.75, 3,524.37 and 1,434.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.75 : 3,524.37 = 1,434.76 : x
2. Step 2: Convert to fraction form
   2,553.75/3,524.37 = 1,434.76/x
3. Step 3: Cross multiply
   2,553.75x = 3,524.37 × 1,434.76
4. Step 4: Simplify right side
   2,553.75x = 5,056,609.12
5. Step 5: Solve for x
   x = 5,056,609.12/2,553.75
6. Step 6: Final answer
   x = 1,980.07