Finding the Fourth Proportional to 16,123.80, 22,250.52 and 8,953.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.80 : 22,250.52 = 8,953.34 : x
2. Step 2: Convert to fraction form
   16,123.80/22,250.52 = 8,953.34/x
3. Step 3: Cross multiply
   16,123.80x = 22,250.52 × 8,953.34
4. Step 4: Simplify right side
   16,123.80x = 199,216,470.74
5. Step 5: Solve for x
   x = 199,216,470.74/16,123.80
6. Step 6: Final answer
   x = 12,355.43