Finding the Fourth Proportional to 11,996.16, 16,556.30 and 7,280.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,996.16 : 16,556.30 = 7,280.52 : x
2. Step 2: Convert to fraction form
   11,996.16/16,556.30 = 7,280.52/x
3. Step 3: Cross multiply
   11,996.16x = 16,556.30 × 7,280.52
4. Step 4: Simplify right side
   11,996.16x = 120,538,473.28
5. Step 5: Solve for x
   x = 120,538,473.28/11,996.16
6. Step 6: Final answer
   x = 10,048.09