Finding the Fourth Proportional to 2,438.43, 3,653.22 and 1,123.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438.43 : 3,653.22 = 1,123.29 : x
2. Step 2: Convert to fraction form
   2,438.43/3,653.22 = 1,123.29/x
3. Step 3: Cross multiply
   2,438.43x = 3,653.22 × 1,123.29
4. Step 4: Simplify right side
   2,438.43x = 4,103,625.49
5. Step 5: Solve for x
   x = 4,103,625.49/2,438.43
6. Step 6: Final answer
   x = 1,682.90