Finding the Fourth Proportional to 6,856.55, 10,284.73 and 1,662.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.55 : 10,284.73 = 1,662.47 : x
2. Step 2: Convert to fraction form
   6,856.55/10,284.73 = 1,662.47/x
3. Step 3: Cross multiply
   6,856.55x = 10,284.73 × 1,662.47
4. Step 4: Simplify right side
   6,856.55x = 17,098,055.08
5. Step 5: Solve for x
   x = 17,098,055.08/6,856.55
6. Step 6: Final answer
   x = 2,493.68