Finding the Fourth Proportional to 8,162.69, 12,245.06 and 2,825.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162.69 : 12,245.06 = 2,825.40 : x
2. Step 2: Convert to fraction form
   8,162.69/12,245.06 = 2,825.40/x
3. Step 3: Cross multiply
   8,162.69x = 12,245.06 × 2,825.40
4. Step 4: Simplify right side
   8,162.69x = 34,597,199.59
5. Step 5: Solve for x
   x = 34,597,199.59/8,162.69
6. Step 6: Final answer
   x = 4,238.45