Finding the Fourth Proportional to 23,519.82, 32,457.60 and 12,909.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,519.82 : 32,457.60 = 12,909.23 : x
2. Step 2: Convert to fraction form
   23,519.82/32,457.60 = 12,909.23/x
3. Step 3: Cross multiply
   23,519.82x = 32,457.60 × 12,909.23
4. Step 4: Simplify right side
   23,519.82x = 419,002,461.36
5. Step 5: Solve for x
   x = 419,002,461.36/23,519.82
6. Step 6: Final answer
   x = 17,814.87