Finding the Fourth Proportional to 11,013.06, 16,401.15 and 10,949.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.06 : 16,401.15 = 10,949.88 : x
2. Step 2: Convert to fraction form
   11,013.06/16,401.15 = 10,949.88/x
3. Step 3: Cross multiply
   11,013.06x = 16,401.15 × 10,949.88
4. Step 4: Simplify right side
   11,013.06x = 179,590,624.36
5. Step 5: Solve for x
   x = 179,590,624.36/11,013.06
6. Step 6: Final answer
   x = 16,307.06