Finding the Fourth Proportional to 6,339.59, 8,748.56 and 3,506.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,339.59 : 8,748.56 = 3,506.75 : x
2. Step 2: Convert to fraction form
   6,339.59/8,748.56 = 3,506.75/x
3. Step 3: Cross multiply
   6,339.59x = 8,748.56 × 3,506.75
4. Step 4: Simplify right side
   6,339.59x = 30,679,010.61
5. Step 5: Solve for x
   x = 30,679,010.61/6,339.59
6. Step 6: Final answer
   x = 4,839.27