Finding the Fourth Proportional to 23,529.72, 32,467.50 and 12,919.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,529.72 : 32,467.50 = 12,919.80 : x
2. Step 2: Convert to fraction form
   23,529.72/32,467.50 = 12,919.80/x
3. Step 3: Cross multiply
   23,529.72x = 32,467.50 × 12,919.80
4. Step 4: Simplify right side
   23,529.72x = 419,473,606.50
5. Step 5: Solve for x
   x = 419,473,606.50/23,529.72
6. Step 6: Final answer
   x = 17,827.39