Finding the Fourth Proportional to 11,930.82, 17,975.67 and 10,806.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,930.82 : 17,975.67 = 10,806.54 : x
2. Step 2: Convert to fraction form
   11,930.82/17,975.67 = 10,806.54/x
3. Step 3: Cross multiply
   11,930.82x = 17,975.67 × 10,806.54
4. Step 4: Simplify right side
   11,930.82x = 194,254,796.88
5. Step 5: Solve for x
   x = 194,254,796.88/11,930.82
6. Step 6: Final answer
   x = 16,281.76