Finding the Fourth Proportional to 2,621.51, 3,616.44 and 1,626.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.51 : 3,616.44 = 1,626.42 : x
2. Step 2: Convert to fraction form
   2,621.51/3,616.44 = 1,626.42/x
3. Step 3: Cross multiply
   2,621.51x = 3,616.44 × 1,626.42
4. Step 4: Simplify right side
   2,621.51x = 5,881,850.34
5. Step 5: Solve for x
   x = 5,881,850.34/2,621.51
6. Step 6: Final answer
   x = 2,243.69