Finding the Fourth Proportional to 23,297.25, 32,149.89 and 12,686.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,297.25 : 32,149.89 = 12,686.88 : x
2. Step 2: Convert to fraction form
   23,297.25/32,149.89 = 12,686.88/x
3. Step 3: Cross multiply
   23,297.25x = 32,149.89 × 12,686.88
4. Step 4: Simplify right side
   23,297.25x = 407,881,796.44
5. Step 5: Solve for x
   x = 407,881,796.44/23,297.25
6. Step 6: Final answer
   x = 17,507.72