Finding the Fourth Proportional to 16,510.68, 22,784.84 and 8,957.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.68 : 22,784.84 = 8,957.04 : x
2. Step 2: Convert to fraction form
   16,510.68/22,784.84 = 8,957.04/x
3. Step 3: Cross multiply
   16,510.68x = 22,784.84 × 8,957.04
4. Step 4: Simplify right side
   16,510.68x = 204,084,723.27
5. Step 5: Solve for x
   x = 204,084,723.27/16,510.68
6. Step 6: Final answer
   x = 12,360.77