Finding the Fourth Proportional to 11,980.82, 16,524.73 and 7,940.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,980.82 : 16,524.73 = 7,940.34 : x
2. Step 2: Convert to fraction form
   11,980.82/16,524.73 = 7,940.34/x
3. Step 3: Cross multiply
   11,980.82x = 16,524.73 × 7,940.34
4. Step 4: Simplify right side
   11,980.82x = 131,211,954.76
5. Step 5: Solve for x
   x = 131,211,954.76/11,980.82
6. Step 6: Final answer
   x = 10,951.83