Finding the Fourth Proportional to 11,017.65, 15,224.07 and 8,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.65 : 15,224.07 = 8,196.42 : x
2. Step 2: Convert to fraction form
   11,017.65/15,224.07 = 8,196.42/x
3. Step 3: Cross multiply
   11,017.65x = 15,224.07 × 8,196.42
4. Step 4: Simplify right side
   11,017.65x = 124,782,871.83
5. Step 5: Solve for x
   x = 124,782,871.83/11,017.65
6. Step 6: Final answer
   x = 11,325.72