Finding the Fourth Proportional to 2,621.23, 3,617.23 and 1,426.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.23 : 3,617.23 = 1,426.16 : x
2. Step 2: Convert to fraction form
   2,621.23/3,617.23 = 1,426.16/x
3. Step 3: Cross multiply
   2,621.23x = 3,617.23 × 1,426.16
4. Step 4: Simplify right side
   2,621.23x = 5,158,757.37
5. Step 5: Solve for x
   x = 5,158,757.37/2,621.23
6. Step 6: Final answer
   x = 1,968.07