Finding the Fourth Proportional to 8,382.80, 12,573.58 and 3,385.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,382.80 : 12,573.58 = 3,385.52 : x
2. Step 2: Convert to fraction form
   8,382.80/12,573.58 = 3,385.52/x
3. Step 3: Cross multiply
   8,382.80x = 12,573.58 × 3,385.52
4. Step 4: Simplify right side
   8,382.80x = 42,568,106.56
5. Step 5: Solve for x
   x = 42,568,106.56/8,382.80
6. Step 6: Final answer
   x = 5,078.03