Finding the Fourth Proportional to 11,626.89, 17,436.69 and 7,245.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,626.89 : 17,436.69 = 7,245.60 : x
2. Step 2: Convert to fraction form
   11,626.89/17,436.69 = 7,245.60/x
3. Step 3: Cross multiply
   11,626.89x = 17,436.69 × 7,245.60
4. Step 4: Simplify right side
   11,626.89x = 126,339,281.06
5. Step 5: Solve for x
   x = 126,339,281.06/11,626.89
6. Step 6: Final answer
   x = 10,866.13