Finding the Fourth Proportional to 6,856.18, 10,284.75 and 3,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.18 : 10,284.75 = 3,392.50 : x
2. Step 2: Convert to fraction form
   6,856.18/10,284.75 = 3,392.50/x
3. Step 3: Cross multiply
   6,856.18x = 10,284.75 × 3,392.50
4. Step 4: Simplify right side
   6,856.18x = 34,891,014.38
5. Step 5: Solve for x
   x = 34,891,014.38/6,856.18
6. Step 6: Final answer
   x = 5,088.99