Finding the Fourth Proportional to 8,182.28, 12,271.33 and 3,503.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,182.28 : 12,271.33 = 3,503.05 : x
2. Step 2: Convert to fraction form
   8,182.28/12,271.33 = 3,503.05/x
3. Step 3: Cross multiply
   8,182.28x = 12,271.33 × 3,503.05
4. Step 4: Simplify right side
   8,182.28x = 42,987,056.26
5. Step 5: Solve for x
   x = 42,987,056.26/8,182.28
6. Step 6: Final answer
   x = 5,253.68