Finding the Fourth Proportional to 8,271.78, 12,408.36 and 2,348.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,271.78 : 12,408.36 = 2,348.72 : x
2. Step 2: Convert to fraction form
   8,271.78/12,408.36 = 2,348.72/x
3. Step 3: Cross multiply
   8,271.78x = 12,408.36 × 2,348.72
4. Step 4: Simplify right side
   8,271.78x = 29,143,763.30
5. Step 5: Solve for x
   x = 29,143,763.30/8,271.78
6. Step 6: Final answer
   x = 3,523.28