Finding the Fourth Proportional to 2,622.43, 3,618.93 and 1,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.43 : 3,618.93 = 1,443.50 : x
2. Step 2: Convert to fraction form
   2,622.43/3,618.93 = 1,443.50/x
3. Step 3: Cross multiply
   2,622.43x = 3,618.93 × 1,443.50
4. Step 4: Simplify right side
   2,622.43x = 5,223,925.46
5. Step 5: Solve for x
   x = 5,223,925.46/2,622.43
6. Step 6: Final answer
   x = 1,992.02