Finding the Fourth Proportional to 16,388.76, 22,625.82 and 10,815.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,388.76 : 22,625.82 = 10,815.96 : x
2. Step 2: Convert to fraction form
   16,388.76/22,625.82 = 10,815.96/x
3. Step 3: Cross multiply
   16,388.76x = 22,625.82 × 10,815.96
4. Step 4: Simplify right side
   16,388.76x = 244,719,964.09
5. Step 5: Solve for x
   x = 244,719,964.09/16,388.76
6. Step 6: Final answer
   x = 14,932.18