Finding the Fourth Proportional to 11,005.49, 15,187.46 and 5,969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,005.49 : 15,187.46 = 5,969.72 : x
2. Step 2: Convert to fraction form
   11,005.49/15,187.46 = 5,969.72/x
3. Step 3: Cross multiply
   11,005.49x = 15,187.46 × 5,969.72
4. Step 4: Simplify right side
   11,005.49x = 90,664,891.83
5. Step 5: Solve for x
   x = 90,664,891.83/11,005.49
6. Step 6: Final answer
   x = 8,238.15