Finding the Fourth Proportional to 8,105.46, 11,178.09 and 5,116.11

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.46 : 11,178.09 = 5,116.11 : x
2. Step 2: Convert to fraction form
   8,105.46/11,178.09 = 5,116.11/x
3. Step 3: Cross multiply
   8,105.46x = 11,178.09 × 5,116.11
4. Step 4: Simplify right side
   8,105.46x = 57,188,338.03
5. Step 5: Solve for x
   x = 57,188,338.03/8,105.46
6. Step 6: Final answer
   x = 7,055.53