Finding the Fourth Proportional to 2,452.78, 3,383.70 and 1,404.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.78 : 3,383.70 = 1,404.28 : x
2. Step 2: Convert to fraction form
   2,452.78/3,383.70 = 1,404.28/x
3. Step 3: Cross multiply
   2,452.78x = 3,383.70 × 1,404.28
4. Step 4: Simplify right side
   2,452.78x = 4,751,662.24
5. Step 5: Solve for x
   x = 4,751,662.24/2,452.78
6. Step 6: Final answer
   x = 1,937.26