Finding the Fourth Proportional to 23,297.49, 32,150.70 and 12,687.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,297.49 : 32,150.70 = 12,687.12 : x
2. Step 2: Convert to fraction form
   23,297.49/32,150.70 = 12,687.12/x
3. Step 3: Cross multiply
   23,297.49x = 32,150.70 × 12,687.12
4. Step 4: Simplify right side
   23,297.49x = 407,899,788.98
5. Step 5: Solve for x
   x = 407,899,788.98/23,297.49
6. Step 6: Final answer
   x = 17,508.31