Finding the Fourth Proportional to 2,622.22, 3,618.76 and 1,443.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.22 : 3,618.76 = 1,443.34 : x
2. Step 2: Convert to fraction form
   2,622.22/3,618.76 = 1,443.34/x
3. Step 3: Cross multiply
   2,622.22x = 3,618.76 × 1,443.34
4. Step 4: Simplify right side
   2,622.22x = 5,223,101.06
5. Step 5: Solve for x
   x = 5,223,101.06/2,622.22
6. Step 6: Final answer
   x = 1,991.86