Finding the Fourth Proportional to 1,758.43, 2,638.23 and 1,453.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.43 : 2,638.23 = 1,453.42 : x
2. Step 2: Convert to fraction form
   1,758.43/2,638.23 = 1,453.42/x
3. Step 3: Cross multiply
   1,758.43x = 2,638.23 × 1,453.42
4. Step 4: Simplify right side
   1,758.43x = 3,834,456.25
5. Step 5: Solve for x
   x = 3,834,456.25/1,758.43
6. Step 6: Final answer
   x = 2,180.61