Finding the Fourth Proportional to 16,819.82, 23,222.53 and 10,455.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,819.82 : 23,222.53 = 10,455.92 : x
2. Step 2: Convert to fraction form
   16,819.82/23,222.53 = 10,455.92/x
3. Step 3: Cross multiply
   16,819.82x = 23,222.53 × 10,455.92
4. Step 4: Simplify right side
   16,819.82x = 242,812,899.92
5. Step 5: Solve for x
   x = 242,812,899.92/16,819.82
6. Step 6: Final answer
   x = 14,436.12