Finding the Fourth Proportional to 16,520.08, 22,801.92 and 9,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,520.08 : 22,801.92 = 9,448.72 : x
2. Step 2: Convert to fraction form
   16,520.08/22,801.92 = 9,448.72/x
3. Step 3: Cross multiply
   16,520.08x = 22,801.92 × 9,448.72
4. Step 4: Simplify right side
   16,520.08x = 215,448,957.54
5. Step 5: Solve for x
   x = 215,448,957.54/16,520.08
6. Step 6: Final answer
   x = 13,041.64