Finding the Fourth Proportional to 3,171.24, 4,757.52 and 1,091.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171.24 : 4,757.52 = 1,091.16 : x
2. Step 2: Convert to fraction form
   3,171.24/4,757.52 = 1,091.16/x
3. Step 3: Cross multiply
   3,171.24x = 4,757.52 × 1,091.16
4. Step 4: Simplify right side
   3,171.24x = 5,191,215.52
5. Step 5: Solve for x
   x = 5,191,215.52/3,171.24
6. Step 6: Final answer
   x = 1,636.97