Finding the Fourth Proportional to 16,510.55, 22,772.90 and 9,790.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.55 : 22,772.90 = 9,790.79 : x
2. Step 2: Convert to fraction form
   16,510.55/22,772.90 = 9,790.79/x
3. Step 3: Cross multiply
   16,510.55x = 22,772.90 × 9,790.79
4. Step 4: Simplify right side
   16,510.55x = 222,964,632.64
5. Step 5: Solve for x
   x = 222,964,632.64/16,510.55
6. Step 6: Final answer
   x = 13,504.37