Finding the Fourth Proportional to 6,800.94, 10,188.38 and 3,280.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,800.94 : 10,188.38 = 3,280.55 : x
2. Step 2: Convert to fraction form
   6,800.94/10,188.38 = 3,280.55/x
3. Step 3: Cross multiply
   6,800.94x = 10,188.38 × 3,280.55
4. Step 4: Simplify right side
   6,800.94x = 33,423,447.27
5. Step 5: Solve for x
   x = 33,423,447.27/6,800.94
6. Step 6: Final answer
   x = 4,914.53