Finding the Fourth Proportional to 16,538, 22,824.72 and 11,499.44

Step by Step Solution

1. Step 1: Write the proportion equation
   16,538 : 22,824.72 = 11,499.44 : x
2. Step 2: Convert to fraction form
   16,538/22,824.72 = 11,499.44/x
3. Step 3: Cross multiply
   16,538x = 22,824.72 × 11,499.44
4. Step 4: Simplify right side
   16,538x = 262,471,498.16
5. Step 5: Solve for x
   x = 262,471,498.16/16,538
6. Step 6: Final answer
   x = 15,870.81