Finding the Fourth Proportional to 16,465.20, 22,732.83 and 12,681.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,465.20 : 22,732.83 = 12,681.69 : x
2. Step 2: Convert to fraction form
   16,465.20/22,732.83 = 12,681.69/x
3. Step 3: Cross multiply
   16,465.20x = 22,732.83 × 12,681.69
4. Step 4: Simplify right side
   16,465.20x = 288,290,702.88
5. Step 5: Solve for x
   x = 288,290,702.88/16,465.20
6. Step 6: Final answer
   x = 17,509.09