Finding the Fourth Proportional to 6,431.52, 9,648.72 and 2,271.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,431.52 : 9,648.72 = 2,271.84 : x
2. Step 2: Convert to fraction form
   6,431.52/9,648.72 = 2,271.84/x
3. Step 3: Cross multiply
   6,431.52x = 9,648.72 × 2,271.84
4. Step 4: Simplify right side
   6,431.52x = 21,920,348.04
5. Step 5: Solve for x
   x = 21,920,348.04/6,431.52
6. Step 6: Final answer
   x = 3,408.27