Finding the Fourth Proportional to 16,191, 22,353.30 and 10,611.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,191 : 22,353.30 = 10,611.72 : x
2. Step 2: Convert to fraction form
   16,191/22,353.30 = 10,611.72/x
3. Step 3: Cross multiply
   16,191x = 22,353.30 × 10,611.72
4. Step 4: Simplify right side
   16,191x = 237,206,960.68
5. Step 5: Solve for x
   x = 237,206,960.68/16,191
6. Step 6: Final answer
   x = 14,650.54