Finding the Fourth Proportional to 2,553.74, 3,524.14 and 1,434.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.74 : 3,524.14 = 1,434.69 : x
2. Step 2: Convert to fraction form
   2,553.74/3,524.14 = 1,434.69/x
3. Step 3: Cross multiply
   2,553.74x = 3,524.14 × 1,434.69
4. Step 4: Simplify right side
   2,553.74x = 5,056,048.42
5. Step 5: Solve for x
   x = 5,056,048.42/2,553.74
6. Step 6: Final answer
   x = 1,979.86