Finding the Fourth Proportional to 16,426.16, 22,668.13 and 9,352.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,426.16 : 22,668.13 = 9,352.59 : x
2. Step 2: Convert to fraction form
   16,426.16/22,668.13 = 9,352.59/x
3. Step 3: Cross multiply
   16,426.16x = 22,668.13 × 9,352.59
4. Step 4: Simplify right side
   16,426.16x = 212,005,702.58
5. Step 5: Solve for x
   x = 212,005,702.58/16,426.16
6. Step 6: Final answer
   x = 12,906.59