Finding the Fourth Proportional to 16,320.51, 22,520.37 and 9,604.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,320.51 : 22,520.37 = 9,604.65 : x
2. Step 2: Convert to fraction form
   16,320.51/22,520.37 = 9,604.65/x
3. Step 3: Cross multiply
   16,320.51x = 22,520.37 × 9,604.65
4. Step 4: Simplify right side
   16,320.51x = 216,300,271.72
5. Step 5: Solve for x
   x = 216,300,271.72/16,320.51
6. Step 6: Final answer
   x = 13,253.28