Finding the Fourth Proportional to 16,123.30, 22,249.51 and 8,953.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.30 : 22,249.51 = 8,953.58 : x
2. Step 2: Convert to fraction form
   16,123.30/22,249.51 = 8,953.58/x
3. Step 3: Cross multiply
   16,123.30x = 22,249.51 × 8,953.58
4. Step 4: Simplify right side
   16,123.30x = 199,212,722.98
5. Step 5: Solve for x
   x = 199,212,722.98/16,123.30
6. Step 6: Final answer
   x = 12,355.58