Finding the Fourth Proportional to 16,538.93, 22,825.71 and 9,465.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,538.93 : 22,825.71 = 9,465.20 : x
2. Step 2: Convert to fraction form
   16,538.93/22,825.71 = 9,465.20/x
3. Step 3: Cross multiply
   16,538.93x = 22,825.71 × 9,465.20
4. Step 4: Simplify right side
   16,538.93x = 216,049,796.16
5. Step 5: Solve for x
   x = 216,049,796.16/16,538.93
6. Step 6: Final answer
   x = 13,063.11