Finding the Fourth Proportional to 3,656.72, 5,480.22 and 3,167.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.72 : 5,480.22 = 3,167.48 : x
2. Step 2: Convert to fraction form
   3,656.72/5,480.22 = 3,167.48/x
3. Step 3: Cross multiply
   3,656.72x = 5,480.22 × 3,167.48
4. Step 4: Simplify right side
   3,656.72x = 17,358,487.25
5. Step 5: Solve for x
   x = 17,358,487.25/3,656.72
6. Step 6: Final answer
   x = 4,747.01