Finding the Fourth Proportional to 23,297.59, 32,149.56 and 12,687.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,297.59 : 32,149.56 = 12,687.16 : x
2. Step 2: Convert to fraction form
   23,297.59/32,149.56 = 12,687.16/x
3. Step 3: Cross multiply
   23,297.59x = 32,149.56 × 12,687.16
4. Step 4: Simplify right side
   23,297.59x = 407,886,611.65
5. Step 5: Solve for x
   x = 407,886,611.65/23,297.59
6. Step 6: Final answer
   x = 17,507.67