Finding the Fourth Proportional to 16,340.88, 22,554.42 and 9,271.44

Step by Step Solution

1. Step 1: Write the proportion equation
   16,340.88 : 22,554.42 = 9,271.44 : x
2. Step 2: Convert to fraction form
   16,340.88/22,554.42 = 9,271.44/x
3. Step 3: Cross multiply
   16,340.88x = 22,554.42 × 9,271.44
4. Step 4: Simplify right side
   16,340.88x = 209,111,951.76
5. Step 5: Solve for x
   x = 209,111,951.76/16,340.88
6. Step 6: Final answer
   x = 12,796.86