Finding the Fourth Proportional to 2,214.15, 3,055.48 and 1,219.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.15 : 3,055.48 = 1,219.42 : x
2. Step 2: Convert to fraction form
   2,214.15/3,055.48 = 1,219.42/x
3. Step 3: Cross multiply
   2,214.15x = 3,055.48 × 1,219.42
4. Step 4: Simplify right side
   2,214.15x = 3,725,913.42
5. Step 5: Solve for x
   x = 3,725,913.42/2,214.15
6. Step 6: Final answer
   x = 1,682.77