Finding the Fourth Proportional to 8,144.32, 12,225.12 and 3,530.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.32 : 12,225.12 = 3,530.56 : x
2. Step 2: Convert to fraction form
   8,144.32/12,225.12 = 3,530.56/x
3. Step 3: Cross multiply
   8,144.32x = 12,225.12 × 3,530.56
4. Step 4: Simplify right side
   8,144.32x = 43,161,519.67
5. Step 5: Solve for x
   x = 43,161,519.67/8,144.32
6. Step 6: Final answer
   x = 5,299.59