Finding the Fourth Proportional to 11,004.78, 15,186.49 and 5,969.11

Step by Step Solution

1. Step 1: Write the proportion equation
   11,004.78 : 15,186.49 = 5,969.11 : x
2. Step 2: Convert to fraction form
   11,004.78/15,186.49 = 5,969.11/x
3. Step 3: Cross multiply
   11,004.78x = 15,186.49 × 5,969.11
4. Step 4: Simplify right side
   11,004.78x = 90,649,829.32
5. Step 5: Solve for x
   x = 90,649,829.32/11,004.78
6. Step 6: Final answer
   x = 8,237.31