Finding the Fourth Proportional to 2,214.49, 3,054.42 and 1,427.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.49 : 3,054.42 = 1,427.78 : x
2. Step 2: Convert to fraction form
   2,214.49/3,054.42 = 1,427.78/x
3. Step 3: Cross multiply
   2,214.49x = 3,054.42 × 1,427.78
4. Step 4: Simplify right side
   2,214.49x = 4,361,039.79
5. Step 5: Solve for x
   x = 4,361,039.79/2,214.49
6. Step 6: Final answer
   x = 1,969.32