Finding the Fourth Proportional to 2,055.44, 2,836.27 and 1,216.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.44 : 2,836.27 = 1,216.18 : x
2. Step 2: Convert to fraction form
   2,055.44/2,836.27 = 1,216.18/x
3. Step 3: Cross multiply
   2,055.44x = 2,836.27 × 1,216.18
4. Step 4: Simplify right side
   2,055.44x = 3,449,401.11
5. Step 5: Solve for x
   x = 3,449,401.11/2,055.44
6. Step 6: Final answer
   x = 1,678.18