Finding the Fourth Proportional to 11,721.24, 16,180.83 and 7,476.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,721.24 : 16,180.83 = 7,476.84 : x
2. Step 2: Convert to fraction form
   11,721.24/16,180.83 = 7,476.84/x
3. Step 3: Cross multiply
   11,721.24x = 16,180.83 × 7,476.84
4. Step 4: Simplify right side
   11,721.24x = 120,981,476.98
5. Step 5: Solve for x
   x = 120,981,476.98/11,721.24
6. Step 6: Final answer
   x = 10,321.56