Finding the Fourth Proportional to 23,401.27, 32,293.83 and 12,790.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,401.27 : 32,293.83 = 12,790.90 : x
2. Step 2: Convert to fraction form
   23,401.27/32,293.83 = 12,790.90/x
3. Step 3: Cross multiply
   23,401.27x = 32,293.83 × 12,790.90
4. Step 4: Simplify right side
   23,401.27x = 413,067,150.15
5. Step 5: Solve for x
   x = 413,067,150.15/23,401.27
6. Step 6: Final answer
   x = 17,651.48