Finding the Fourth Proportional to 2,214.17, 3,055.57 and 1,219.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.17 : 3,055.57 = 1,219.42 : x
2. Step 2: Convert to fraction form
   2,214.17/3,055.57 = 1,219.42/x
3. Step 3: Cross multiply
   2,214.17x = 3,055.57 × 1,219.42
4. Step 4: Simplify right side
   2,214.17x = 3,726,030.80
5. Step 5: Solve for x
   x = 3,726,030.80/2,214.17
6. Step 6: Final answer
   x = 1,682.81