Finding the Fourth Proportional to 11,828.69, 16,323.83 and 7,644.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,828.69 : 16,323.83 = 7,644.23 : x
2. Step 2: Convert to fraction form
   11,828.69/16,323.83 = 7,644.23/x
3. Step 3: Cross multiply
   11,828.69x = 16,323.83 × 7,644.23
4. Step 4: Simplify right side
   11,828.69x = 124,783,111.00
5. Step 5: Solve for x
   x = 124,783,111.00/11,828.69
6. Step 6: Final answer
   x = 10,549.19