Finding the Fourth Proportional to 11,022.57, 15,216.12 and 7,049.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,022.57 : 15,216.12 = 7,049.04 : x
2. Step 2: Convert to fraction form
   11,022.57/15,216.12 = 7,049.04/x
3. Step 3: Cross multiply
   11,022.57x = 15,216.12 × 7,049.04
4. Step 4: Simplify right side
   11,022.57x = 107,259,038.52
5. Step 5: Solve for x
   x = 107,259,038.52/11,022.57
6. Step 6: Final answer
   x = 9,730.86