Finding the Fourth Proportional to 11,929.65, 16,464.71 and 8,583.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.65 : 16,464.71 = 8,583.54 : x
2. Step 2: Convert to fraction form
   11,929.65/16,464.71 = 8,583.54/x
3. Step 3: Cross multiply
   11,929.65x = 16,464.71 × 8,583.54
4. Step 4: Simplify right side
   11,929.65x = 141,325,518.33
5. Step 5: Solve for x
   x = 141,325,518.33/11,929.65
6. Step 6: Final answer
   x = 11,846.58