Finding the Fourth Proportional to 2,216.36, 3,055.73 and 1,816.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.36 : 3,055.73 = 1,816.55 : x
2. Step 2: Convert to fraction form
   2,216.36/3,055.73 = 1,816.55/x
3. Step 3: Cross multiply
   2,216.36x = 3,055.73 × 1,816.55
4. Step 4: Simplify right side
   2,216.36x = 5,550,871.05
5. Step 5: Solve for x
   x = 5,550,871.05/2,216.36
6. Step 6: Final answer
   x = 2,504.50