Finding the Fourth Proportional to 2,621.27, 3,616.37 and 1,559.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.27 : 3,616.37 = 1,559.07 : x
2. Step 2: Convert to fraction form
   2,621.27/3,616.37 = 1,559.07/x
3. Step 3: Cross multiply
   2,621.27x = 3,616.37 × 1,559.07
4. Step 4: Simplify right side
   2,621.27x = 5,638,186.58
5. Step 5: Solve for x
   x = 5,638,186.58/2,621.27
6. Step 6: Final answer
   x = 2,150.94