Finding the Fourth Proportional to 8,582.04, 12,834.18 and 8,475.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,582.04 : 12,834.18 = 8,475.12 : x
2. Step 2: Convert to fraction form
   8,582.04/12,834.18 = 8,475.12/x
3. Step 3: Cross multiply
   8,582.04x = 12,834.18 × 8,475.12
4. Step 4: Simplify right side
   8,582.04x = 108,771,215.60
5. Step 5: Solve for x
   x = 108,771,215.60/8,582.04
6. Step 6: Final answer
   x = 12,674.28