Finding the Fourth Proportional to 3,631.46, 5,446.91 and 1,291.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631.46 : 5,446.91 = 1,291.37 : x
2. Step 2: Convert to fraction form
   3,631.46/5,446.91 = 1,291.37/x
3. Step 3: Cross multiply
   3,631.46x = 5,446.91 × 1,291.37
4. Step 4: Simplify right side
   3,631.46x = 7,033,952.16
5. Step 5: Solve for x
   x = 7,033,952.16/3,631.46
6. Step 6: Final answer
   x = 1,936.95