Finding the Fourth Proportional to 2,553.91, 3,524.34 and 1,419.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.91 : 3,524.34 = 1,419.51 : x
2. Step 2: Convert to fraction form
   2,553.91/3,524.34 = 1,419.51/x
3. Step 3: Cross multiply
   2,553.91x = 3,524.34 × 1,419.51
4. Step 4: Simplify right side
   2,553.91x = 5,002,835.87
5. Step 5: Solve for x
   x = 5,002,835.87/2,553.91
6. Step 6: Final answer
   x = 1,958.89