Finding the Fourth Proportional to 8,442.27, 12,659.76 and 3,244.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,442.27 : 12,659.76 = 3,244.50 : x
2. Step 2: Convert to fraction form
   8,442.27/12,659.76 = 3,244.50/x
3. Step 3: Cross multiply
   8,442.27x = 12,659.76 × 3,244.50
4. Step 4: Simplify right side
   8,442.27x = 41,074,591.32
5. Step 5: Solve for x
   x = 41,074,591.32/8,442.27
6. Step 6: Final answer
   x = 4,865.35