Finding the Fourth Proportional to 23,297.40, 32,150.78 and 12,687.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,297.40 : 32,150.78 = 12,687.02 : x
2. Step 2: Convert to fraction form
   23,297.40/32,150.78 = 12,687.02/x
3. Step 3: Cross multiply
   23,297.40x = 32,150.78 × 12,687.02
4. Step 4: Simplify right side
   23,297.40x = 407,897,588.88
5. Step 5: Solve for x
   x = 407,897,588.88/23,297.40
6. Step 6: Final answer
   x = 17,508.29