Finding the Fourth Proportional to 12,162.54, 16,783.05 and 8,977.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.54 : 16,783.05 = 8,977.52 : x
2. Step 2: Convert to fraction form
   12,162.54/16,783.05 = 8,977.52/x
3. Step 3: Cross multiply
   12,162.54x = 16,783.05 × 8,977.52
4. Step 4: Simplify right side
   12,162.54x = 150,670,097.76
5. Step 5: Solve for x
   x = 150,670,097.76/12,162.54
6. Step 6: Final answer
   x = 12,388.05