Finding the Fourth Proportional to 2,626.72, 3,621.24 and 1,786.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.72 : 3,621.24 = 1,786.16 : x
2. Step 2: Convert to fraction form
   2,626.72/3,621.24 = 1,786.16/x
3. Step 3: Cross multiply
   2,626.72x = 3,621.24 × 1,786.16
4. Step 4: Simplify right side
   2,626.72x = 6,468,114.04
5. Step 5: Solve for x
   x = 6,468,114.04/2,626.72
6. Step 6: Final answer
   x = 2,462.43