Finding the Fourth Proportional to 16,802.16, 23,180.76 and 16,776.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,802.16 : 23,180.76 = 16,776.24 : x
2. Step 2: Convert to fraction form
   16,802.16/23,180.76 = 16,776.24/x
3. Step 3: Cross multiply
   16,802.16x = 23,180.76 × 16,776.24
4. Step 4: Simplify right side
   16,802.16x = 388,885,993.14
5. Step 5: Solve for x
   x = 388,885,993.14/16,802.16
6. Step 6: Final answer
   x = 23,145.00