Finding the Fourth Proportional to 23,020.86, 31,759.38 and 14,520.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,020.86 : 31,759.38 = 14,520.09 : x
2. Step 2: Convert to fraction form
   23,020.86/31,759.38 = 14,520.09/x
3. Step 3: Cross multiply
   23,020.86x = 31,759.38 × 14,520.09
4. Step 4: Simplify right side
   23,020.86x = 461,149,055.94
5. Step 5: Solve for x
   x = 461,149,055.94/23,020.86
6. Step 6: Final answer
   x = 20,031.79