Finding the Fourth Proportional to 5,584.72, 7,707 and 3,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,584.72 : 7,707 = 3,100.72 : x
2. Step 2: Convert to fraction form
   5,584.72/7,707 = 3,100.72/x
3. Step 3: Cross multiply
   5,584.72x = 7,707 × 3,100.72
4. Step 4: Simplify right side
   5,584.72x = 23,897,249.04
5. Step 5: Solve for x
   x = 23,897,249.04/5,584.72
6. Step 6: Final answer
   x = 4,279.04