Finding the Fourth Proportional to 12,330.24, 18,443.52 and 10,619.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,330.24 : 18,443.52 = 10,619.52 : x
2. Step 2: Convert to fraction form
   12,330.24/18,443.52 = 10,619.52/x
3. Step 3: Cross multiply
   12,330.24x = 18,443.52 × 10,619.52
4. Step 4: Simplify right side
   12,330.24x = 195,861,329.51
5. Step 5: Solve for x
   x = 195,861,329.51/12,330.24
6. Step 6: Final answer
   x = 15,884.63