Finding the Fourth Proportional to 6,339.21, 8,748.15 and 3,506.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,339.21 : 8,748.15 = 3,506.49 : x
2. Step 2: Convert to fraction form
   6,339.21/8,748.15 = 3,506.49/x
3. Step 3: Cross multiply
   6,339.21x = 8,748.15 × 3,506.49
4. Step 4: Simplify right side
   6,339.21x = 30,675,300.49
5. Step 5: Solve for x
   x = 30,675,300.49/6,339.21
6. Step 6: Final answer
   x = 4,838.98