Finding the Fourth Proportional to 11,678.41, 16,109.00 and 8,322.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,678.41 : 16,109.00 = 8,322.30 : x
2. Step 2: Convert to fraction form
   11,678.41/16,109.00 = 8,322.30/x
3. Step 3: Cross multiply
   11,678.41x = 16,109.00 × 8,322.30
4. Step 4: Simplify right side
   11,678.41x = 134,063,920.30
5. Step 5: Solve for x
   x = 134,063,920.30/11,678.41
6. Step 6: Final answer
   x = 11,479.64