Finding the Fourth Proportional to 23,057.92, 31,815.76 and 14,976.24

Step by Step Solution

1. Step 1: Write the proportion equation
   23,057.92 : 31,815.76 = 14,976.24 : x
2. Step 2: Convert to fraction form
   23,057.92/31,815.76 = 14,976.24/x
3. Step 3: Cross multiply
   23,057.92x = 31,815.76 × 14,976.24
4. Step 4: Simplify right side
   23,057.92x = 476,480,457.54
5. Step 5: Solve for x
   x = 476,480,457.54/23,057.92
6. Step 6: Final answer
   x = 20,664.50