Finding the Fourth Proportional to 16,216.38, 22,384.67 and 12,624.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.38 : 22,384.67 = 12,624.22 : x
2. Step 2: Convert to fraction form
   16,216.38/22,384.67 = 12,624.22/x
3. Step 3: Cross multiply
   16,216.38x = 22,384.67 × 12,624.22
4. Step 4: Simplify right side
   16,216.38x = 282,588,998.71
5. Step 5: Solve for x
   x = 282,588,998.71/16,216.38
6. Step 6: Final answer
   x = 17,426.15