Finding the Fourth Proportional to 16,100.24, 22,259.40 and 12,141.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.24 : 22,259.40 = 12,141.68 : x
2. Step 2: Convert to fraction form
   16,100.24/22,259.40 = 12,141.68/x
3. Step 3: Cross multiply
   16,100.24x = 22,259.40 × 12,141.68
4. Step 4: Simplify right side
   16,100.24x = 270,266,511.79
5. Step 5: Solve for x
   x = 270,266,511.79/16,100.24
6. Step 6: Final answer
   x = 16,786.49