Finding the Fourth Proportional to 11,391.63, 17,063.52 and 7,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,391.63 : 17,063.52 = 7,229.52 : x
2. Step 2: Convert to fraction form
   11,391.63/17,063.52 = 7,229.52/x
3. Step 3: Cross multiply
   11,391.63x = 17,063.52 × 7,229.52
4. Step 4: Simplify right side
   11,391.63x = 123,361,059.11
5. Step 5: Solve for x
   x = 123,361,059.11/11,391.63
6. Step 6: Final answer
   x = 10,829.10