Finding the Fourth Proportional to 16,456.32, 22,720.32 and 14,684.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.32 : 22,720.32 = 14,684.88 : x
2. Step 2: Convert to fraction form
   16,456.32/22,720.32 = 14,684.88/x
3. Step 3: Cross multiply
   16,456.32x = 22,720.32 × 14,684.88
4. Step 4: Simplify right side
   16,456.32x = 333,645,172.76
5. Step 5: Solve for x
   x = 333,645,172.76/16,456.32
6. Step 6: Final answer
   x = 20,274.59