Finding the Fourth Proportional to 11,104.37, 15,330.83 and 10,571.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,104.37 : 15,330.83 = 10,571.54 : x
2. Step 2: Convert to fraction form
   11,104.37/15,330.83 = 10,571.54/x
3. Step 3: Cross multiply
   11,104.37x = 15,330.83 × 10,571.54
4. Step 4: Simplify right side
   11,104.37x = 162,070,429.72
5. Step 5: Solve for x
   x = 162,070,429.72/11,104.37
6. Step 6: Final answer
   x = 14,595.19