Finding the Fourth Proportional to 2,808.42, 4,211.55 and 1,419

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808.42 : 4,211.55 = 1,419 : x
2. Step 2: Convert to fraction form
   2,808.42/4,211.55 = 1,419/x
3. Step 3: Cross multiply
   2,808.42x = 4,211.55 × 1,419
4. Step 4: Simplify right side
   2,808.42x = 5,976,189.45
5. Step 5: Solve for x
   x = 5,976,189.45/2,808.42
6. Step 6: Final answer
   x = 2,127.95