Finding the Fourth Proportional to 8,245.30, 12,370.69 and 5,482.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,245.30 : 12,370.69 = 5,482.85 : x
2. Step 2: Convert to fraction form
   8,245.30/12,370.69 = 5,482.85/x
3. Step 3: Cross multiply
   8,245.30x = 12,370.69 × 5,482.85
4. Step 4: Simplify right side
   8,245.30x = 67,826,608.50
5. Step 5: Solve for x
   x = 67,826,608.50/8,245.30
6. Step 6: Final answer
   x = 8,226.09