Finding the Fourth Proportional to 6,271.34, 9,408.02 and 2,111.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,271.34 : 9,408.02 = 2,111.72 : x
2. Step 2: Convert to fraction form
   6,271.34/9,408.02 = 2,111.72/x
3. Step 3: Cross multiply
   6,271.34x = 9,408.02 × 2,111.72
4. Step 4: Simplify right side
   6,271.34x = 19,867,046.40
5. Step 5: Solve for x
   x = 19,867,046.40/6,271.34
6. Step 6: Final answer
   x = 3,167.91