Finding the Fourth Proportional to 2,214.34, 3,055.83 and 1,219.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.34 : 3,055.83 = 1,219.61 : x
2. Step 2: Convert to fraction form
   2,214.34/3,055.83 = 1,219.61/x
3. Step 3: Cross multiply
   2,214.34x = 3,055.83 × 1,219.61
4. Step 4: Simplify right side
   2,214.34x = 3,726,928.47
5. Step 5: Solve for x
   x = 3,726,928.47/2,214.34
6. Step 6: Final answer
   x = 1,683.09