Finding the Fourth Proportional to 11,155.15, 15,404.52 and 7,183.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,155.15 : 15,404.52 = 7,183.18 : x
2. Step 2: Convert to fraction form
   11,155.15/15,404.52 = 7,183.18/x
3. Step 3: Cross multiply
   11,155.15x = 15,404.52 × 7,183.18
4. Step 4: Simplify right side
   11,155.15x = 110,653,439.97
5. Step 5: Solve for x
   x = 110,653,439.97/11,155.15
6. Step 6: Final answer
   x = 9,919.49