Finding the Fourth Proportional to 23,493.46, 32,421.10 and 12,738.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,493.46 : 32,421.10 = 12,738.42 : x
2. Step 2: Convert to fraction form
   23,493.46/32,421.10 = 12,738.42/x
3. Step 3: Cross multiply
   23,493.46x = 32,421.10 × 12,738.42
4. Step 4: Simplify right side
   23,493.46x = 412,993,588.66
5. Step 5: Solve for x
   x = 412,993,588.66/23,493.46
6. Step 6: Final answer
   x = 17,579.09