Finding the Fourth Proportional to 2,622.02, 3,618.41 and 1,443.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.02 : 3,618.41 = 1,443.09 : x
2. Step 2: Convert to fraction form
   2,622.02/3,618.41 = 1,443.09/x
3. Step 3: Cross multiply
   2,622.02x = 3,618.41 × 1,443.09
4. Step 4: Simplify right side
   2,622.02x = 5,221,697.64
5. Step 5: Solve for x
   x = 5,221,697.64/2,622.02
6. Step 6: Final answer
   x = 1,991.48