Finding the Fourth Proportional to 13,016.54, 17,949.40 and 11,134.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.54 : 17,949.40 = 11,134.35 : x
2. Step 2: Convert to fraction form
   13,016.54/17,949.40 = 11,134.35/x
3. Step 3: Cross multiply
   13,016.54x = 17,949.40 × 11,134.35
4. Step 4: Simplify right side
   13,016.54x = 199,854,901.89
5. Step 5: Solve for x
   x = 199,854,901.89/13,016.54
6. Step 6: Final answer
   x = 15,353.92