Finding the Fourth Proportional to 3,743.27, 5,128.30 and 3,603.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,743.27 : 5,128.30 = 3,603.14 : x
2. Step 2: Convert to fraction form
   3,743.27/5,128.30 = 3,603.14/x
3. Step 3: Cross multiply
   3,743.27x = 5,128.30 × 3,603.14
4. Step 4: Simplify right side
   3,743.27x = 18,477,982.86
5. Step 5: Solve for x
   x = 18,477,982.86/3,743.27
6. Step 6: Final answer
   x = 4,936.32