Finding the Fourth Proportional to 16,485.57, 22,749.12 and 9,771.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,485.57 : 22,749.12 = 9,771.84 : x
2. Step 2: Convert to fraction form
   16,485.57/22,749.12 = 9,771.84/x
3. Step 3: Cross multiply
   16,485.57x = 22,749.12 × 9,771.84
4. Step 4: Simplify right side
   16,485.57x = 222,300,760.78
5. Step 5: Solve for x
   x = 222,300,760.78/16,485.57
6. Step 6: Final answer
   x = 13,484.57