Finding the Fourth Proportional to 6,339.90, 8,748.27 and 3,506.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,339.90 : 8,748.27 = 3,506.88 : x
2. Step 2: Convert to fraction form
   6,339.90/8,748.27 = 3,506.88/x
3. Step 3: Cross multiply
   6,339.90x = 8,748.27 × 3,506.88
4. Step 4: Simplify right side
   6,339.90x = 30,679,133.10
5. Step 5: Solve for x
   x = 30,679,133.10/6,339.90
6. Step 6: Final answer
   x = 4,839.06