Finding the Fourth Proportional to 16,395.41, 22,624.80 and 9,678.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,395.41 : 22,624.80 = 9,678.59 : x
2. Step 2: Convert to fraction form
   16,395.41/22,624.80 = 9,678.59/x
3. Step 3: Cross multiply
   16,395.41x = 22,624.80 × 9,678.59
4. Step 4: Simplify right side
   16,395.41x = 218,976,049.91
5. Step 5: Solve for x
   x = 218,976,049.91/16,395.41
6. Step 6: Final answer
   x = 13,355.94