Finding the Fourth Proportional to 16,133.88, 24,182.34 and 8,721.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,133.88 : 24,182.34 = 8,721.72 : x
2. Step 2: Convert to fraction form
   16,133.88/24,182.34 = 8,721.72/x
3. Step 3: Cross multiply
   16,133.88x = 24,182.34 × 8,721.72
4. Step 4: Simplify right side
   16,133.88x = 210,911,598.42
5. Step 5: Solve for x
   x = 210,911,598.42/16,133.88
6. Step 6: Final answer
   x = 13,072.59