Finding the Fourth Proportional to 16,510.05, 22,772.21 and 9,790.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.05 : 22,772.21 = 9,790.29 : x
2. Step 2: Convert to fraction form
   16,510.05/22,772.21 = 9,790.29/x
3. Step 3: Cross multiply
   16,510.05x = 22,772.21 × 9,790.29
4. Step 4: Simplify right side
   16,510.05x = 222,946,490.89
5. Step 5: Solve for x
   x = 222,946,490.89/16,510.05
6. Step 6: Final answer
   x = 13,503.68