Finding the Fourth Proportional to 23,297.68, 32,151.31 and 12,687.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,297.68 : 32,151.31 = 12,687.31 : x
2. Step 2: Convert to fraction form
   23,297.68/32,151.31 = 12,687.31/x
3. Step 3: Cross multiply
   23,297.68x = 32,151.31 × 12,687.31
4. Step 4: Simplify right side
   23,297.68x = 407,913,636.88
5. Step 5: Solve for x
   x = 407,913,636.88/23,297.68
6. Step 6: Final answer
   x = 17,508.77