Finding the Fourth Proportional to 2,491.37, 3,735.67 and 1,155.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.37 : 3,735.67 = 1,155.71 : x
2. Step 2: Convert to fraction form
   2,491.37/3,735.67 = 1,155.71/x
3. Step 3: Cross multiply
   2,491.37x = 3,735.67 × 1,155.71
4. Step 4: Simplify right side
   2,491.37x = 4,317,351.18
5. Step 5: Solve for x
   x = 4,317,351.18/2,491.37
6. Step 6: Final answer
   x = 1,732.92