Finding the Fourth Proportional to 16,530.45, 22,811.95 and 8,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,530.45 : 22,811.95 = 8,976.72 : x
2. Step 2: Convert to fraction form
   16,530.45/22,811.95 = 8,976.72/x
3. Step 3: Cross multiply
   16,530.45x = 22,811.95 × 8,976.72
4. Step 4: Simplify right side
   16,530.45x = 204,776,510.25
5. Step 5: Solve for x
   x = 204,776,510.25/16,530.45
6. Step 6: Final answer
   x = 12,387.83