Finding the Fourth Proportional to 2,622.37, 3,618.80 and 1,443.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.37 : 3,618.80 = 1,443.44 : x
2. Step 2: Convert to fraction form
   2,622.37/3,618.80 = 1,443.44/x
3. Step 3: Cross multiply
   2,622.37x = 3,618.80 × 1,443.44
4. Step 4: Simplify right side
   2,622.37x = 5,223,520.67
5. Step 5: Solve for x
   x = 5,223,520.67/2,622.37
6. Step 6: Final answer
   x = 1,991.91