Finding the Fourth Proportional to 12,150.84, 16,744.68 and 8,787.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.84 : 16,744.68 = 8,787.72 : x
2. Step 2: Convert to fraction form
   12,150.84/16,744.68 = 8,787.72/x
3. Step 3: Cross multiply
   12,150.84x = 16,744.68 × 8,787.72
4. Step 4: Simplify right side
   12,150.84x = 147,147,559.33
5. Step 5: Solve for x
   x = 147,147,559.33/12,150.84
6. Step 6: Final answer
   x = 12,110.07