Finding the Fourth Proportional to 2,621.37, 3,614.55 and 2,022.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.37 : 3,614.55 = 2,022.51 : x
2. Step 2: Convert to fraction form
   2,621.37/3,614.55 = 2,022.51/x
3. Step 3: Cross multiply
   2,621.37x = 3,614.55 × 2,022.51
4. Step 4: Simplify right side
   2,621.37x = 7,310,442.38
5. Step 5: Solve for x
   x = 7,310,442.38/2,621.37
6. Step 6: Final answer
   x = 2,788.78