Finding the Fourth Proportional to 11,104.48, 15,336.78 and 7,561.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,104.48 : 15,336.78 = 7,561.54 : x
2. Step 2: Convert to fraction form
   11,104.48/15,336.78 = 7,561.54/x
3. Step 3: Cross multiply
   11,104.48x = 15,336.78 × 7,561.54
4. Step 4: Simplify right side
   11,104.48x = 115,969,675.44
5. Step 5: Solve for x
   x = 115,969,675.44/11,104.48
6. Step 6: Final answer
   x = 10,443.50