Finding the Fourth Proportional to 8,648.93, 12,971.82 and 3,027.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,648.93 : 12,971.82 = 3,027.42 : x
2. Step 2: Convert to fraction form
   8,648.93/12,971.82 = 3,027.42/x
3. Step 3: Cross multiply
   8,648.93x = 12,971.82 × 3,027.42
4. Step 4: Simplify right side
   8,648.93x = 39,271,147.30
5. Step 5: Solve for x
   x = 39,271,147.30/8,648.93
6. Step 6: Final answer
   x = 4,540.58