Finding the Fourth Proportional to 11,443.46, 17,154.18 and 4,418.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.46 : 17,154.18 = 4,418.30 : x
2. Step 2: Convert to fraction form
   11,443.46/17,154.18 = 4,418.30/x
3. Step 3: Cross multiply
   11,443.46x = 17,154.18 × 4,418.30
4. Step 4: Simplify right side
   11,443.46x = 75,792,313.49
5. Step 5: Solve for x
   x = 75,792,313.49/11,443.46
6. Step 6: Final answer
   x = 6,623.20