Finding the Fourth Proportional to 3,647.72, 5,030.16 and 2,982.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.72 : 5,030.16 = 2,982.44 : x
2. Step 2: Convert to fraction form
   3,647.72/5,030.16 = 2,982.44/x
3. Step 3: Cross multiply
   3,647.72x = 5,030.16 × 2,982.44
4. Step 4: Simplify right side
   3,647.72x = 15,002,150.39
5. Step 5: Solve for x
   x = 15,002,150.39/3,647.72
6. Step 6: Final answer
   x = 4,112.75