Finding the Fourth Proportional to 6,854.68, 10,284.72 and 3,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,854.68 : 10,284.72 = 3,389.50 : x
2. Step 2: Convert to fraction form
   6,854.68/10,284.72 = 3,389.50/x
3. Step 3: Cross multiply
   6,854.68x = 10,284.72 × 3,389.50
4. Step 4: Simplify right side
   6,854.68x = 34,860,058.44
5. Step 5: Solve for x
   x = 34,860,058.44/6,854.68
6. Step 6: Final answer
   x = 5,085.59