Finding the Fourth Proportional to 11,148.27, 15,382.10 and 7,563.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,148.27 : 15,382.10 = 7,563.72 : x
2. Step 2: Convert to fraction form
   11,148.27/15,382.10 = 7,563.72/x
3. Step 3: Cross multiply
   11,148.27x = 15,382.10 × 7,563.72
4. Step 4: Simplify right side
   11,148.27x = 116,345,859.59
5. Step 5: Solve for x
   x = 116,345,859.59/11,148.27
6. Step 6: Final answer
   x = 10,436.23