Finding the Fourth Proportional to 5,603.57, 7,729.71 and 3,504.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,603.57 : 7,729.71 = 3,504.05 : x
2. Step 2: Convert to fraction form
   5,603.57/7,729.71 = 3,504.05/x
3. Step 3: Cross multiply
   5,603.57x = 7,729.71 × 3,504.05
4. Step 4: Simplify right side
   5,603.57x = 27,085,290.33
5. Step 5: Solve for x
   x = 27,085,290.33/5,603.57
6. Step 6: Final answer
   x = 4,833.58