Finding the Fourth Proportional to 16,150.60, 22,289.34 and 9,078.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,150.60 : 22,289.34 = 9,078.76 : x
2. Step 2: Convert to fraction form
   16,150.60/22,289.34 = 9,078.76/x
3. Step 3: Cross multiply
   16,150.60x = 22,289.34 × 9,078.76
4. Step 4: Simplify right side
   16,150.60x = 202,359,568.42
5. Step 5: Solve for x
   x = 202,359,568.42/16,150.60
6. Step 6: Final answer
   x = 12,529.54