Finding the Fourth Proportional to 6,665.94, 10,005.39 and 3,205.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665.94 : 10,005.39 = 3,205.62 : x
2. Step 2: Convert to fraction form
   6,665.94/10,005.39 = 3,205.62/x
3. Step 3: Cross multiply
   6,665.94x = 10,005.39 × 3,205.62
4. Step 4: Simplify right side
   6,665.94x = 32,073,478.29
5. Step 5: Solve for x
   x = 32,073,478.29/6,665.94
6. Step 6: Final answer
   x = 4,811.55