Finding the Fourth Proportional to 2,445.24, 3,668.34 and 1,419

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.24 : 3,668.34 = 1,419 : x
2. Step 2: Convert to fraction form
   2,445.24/3,668.34 = 1,419/x
3. Step 3: Cross multiply
   2,445.24x = 3,668.34 × 1,419
4. Step 4: Simplify right side
   2,445.24x = 5,205,374.46
5. Step 5: Solve for x
   x = 5,205,374.46/2,445.24
6. Step 6: Final answer
   x = 2,128.78