Finding the Fourth Proportional to 12,441.15, 18,663.03 and 5,865.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,441.15 : 18,663.03 = 5,865.57 : x
2. Step 2: Convert to fraction form
   12,441.15/18,663.03 = 5,865.57/x
3. Step 3: Cross multiply
   12,441.15x = 18,663.03 × 5,865.57
4. Step 4: Simplify right side
   12,441.15x = 109,469,308.88
5. Step 5: Solve for x
   x = 109,469,308.88/12,441.15
6. Step 6: Final answer
   x = 8,798.97