Finding the Fourth Proportional to 23,016.78, 31,752.42 and 14,949.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,016.78 : 31,752.42 = 14,949.86 : x
2. Step 2: Convert to fraction form
   23,016.78/31,752.42 = 14,949.86/x
3. Step 3: Cross multiply
   23,016.78x = 31,752.42 × 14,949.86
4. Step 4: Simplify right side
   23,016.78x = 474,694,233.66
5. Step 5: Solve for x
   x = 474,694,233.66/23,016.78
6. Step 6: Final answer
   x = 20,623.84