Finding the Fourth Proportional to 2,669.49, 3,684.56 and 1,622.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.49 : 3,684.56 = 1,622.43 : x
2. Step 2: Convert to fraction form
   2,669.49/3,684.56 = 1,622.43/x
3. Step 3: Cross multiply
   2,669.49x = 3,684.56 × 1,622.43
4. Step 4: Simplify right side
   2,669.49x = 5,977,932.57
5. Step 5: Solve for x
   x = 5,977,932.57/2,669.49
6. Step 6: Final answer
   x = 2,239.35