Finding the Fourth Proportional to 11,826.72, 17,715.12 and 7,132.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,826.72 : 17,715.12 = 7,132.08 : x
2. Step 2: Convert to fraction form
   11,826.72/17,715.12 = 7,132.08/x
3. Step 3: Cross multiply
   11,826.72x = 17,715.12 × 7,132.08
4. Step 4: Simplify right side
   11,826.72x = 126,345,653.05
5. Step 5: Solve for x
   x = 126,345,653.05/11,826.72
6. Step 6: Final answer
   x = 10,683.07