Finding the Fourth Proportional to 16,508.52, 22,776.78 and 10,128.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,508.52 : 22,776.78 = 10,128.56 : x
2. Step 2: Convert to fraction form
   16,508.52/22,776.78 = 10,128.56/x
3. Step 3: Cross multiply
   16,508.52x = 22,776.78 × 10,128.56
4. Step 4: Simplify right side
   16,508.52x = 230,695,982.84
5. Step 5: Solve for x
   x = 230,695,982.84/16,508.52
6. Step 6: Final answer
   x = 13,974.36