Finding the Fourth Proportional to 2,538.34, 3,806.36 and 1,151.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.34 : 3,806.36 = 1,151.62 : x
2. Step 2: Convert to fraction form
   2,538.34/3,806.36 = 1,151.62/x
3. Step 3: Cross multiply
   2,538.34x = 3,806.36 × 1,151.62
4. Step 4: Simplify right side
   2,538.34x = 4,383,469.35
5. Step 5: Solve for x
   x = 4,383,469.35/2,538.34
6. Step 6: Final answer
   x = 1,726.91