Finding the Fourth Proportional to 16,655.47, 22,985.85 and 9,485.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,655.47 : 22,985.85 = 9,485.69 : x
2. Step 2: Convert to fraction form
   16,655.47/22,985.85 = 9,485.69/x
3. Step 3: Cross multiply
   16,655.47x = 22,985.85 × 9,485.69
4. Step 4: Simplify right side
   16,655.47x = 218,036,556.27
5. Step 5: Solve for x
   x = 218,036,556.27/16,655.47
6. Step 6: Final answer
   x = 13,090.99