Finding the Fourth Proportional to 2,363.49, 3,540.52 and 1,621.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,363.49 : 3,540.52 = 1,621.28 : x
2. Step 2: Convert to fraction form
   2,363.49/3,540.52 = 1,621.28/x
3. Step 3: Cross multiply
   2,363.49x = 3,540.52 × 1,621.28
4. Step 4: Simplify right side
   2,363.49x = 5,740,148.46
5. Step 5: Solve for x
   x = 5,740,148.46/2,363.49
6. Step 6: Final answer
   x = 2,428.68