Finding the Fourth Proportional to 8,519.52, 12,769.52 and 3,581.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,519.52 : 12,769.52 = 3,581.76 : x
2. Step 2: Convert to fraction form
   8,519.52/12,769.52 = 3,581.76/x
3. Step 3: Cross multiply
   8,519.52x = 12,769.52 × 3,581.76
4. Step 4: Simplify right side
   8,519.52x = 45,737,355.96
5. Step 5: Solve for x
   x = 45,737,355.96/8,519.52
6. Step 6: Final answer
   x = 5,368.54