Finding the Fourth Proportional to 23,711.50, 32,722.10 and 12,956.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,711.50 : 32,722.10 = 12,956.08 : x
2. Step 2: Convert to fraction form
   23,711.50/32,722.10 = 12,956.08/x
3. Step 3: Cross multiply
   23,711.50x = 32,722.10 × 12,956.08
4. Step 4: Simplify right side
   23,711.50x = 423,950,145.37
5. Step 5: Solve for x
   x = 423,950,145.37/23,711.50
6. Step 6: Final answer
   x = 17,879.52