Finding the Fourth Proportional to 3,147.17, 4,721.24 and 1,067.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,147.17 : 4,721.24 = 1,067.29 : x
2. Step 2: Convert to fraction form
   3,147.17/4,721.24 = 1,067.29/x
3. Step 3: Cross multiply
   3,147.17x = 4,721.24 × 1,067.29
4. Step 4: Simplify right side
   3,147.17x = 5,038,923.10
5. Step 5: Solve for x
   x = 5,038,923.10/3,147.17
6. Step 6: Final answer
   x = 1,601.10