Finding the Fourth Proportional to 23,629.05, 32,607.90 and 13,018.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,629.05 : 32,607.90 = 13,018.05 : x
2. Step 2: Convert to fraction form
   23,629.05/32,607.90 = 13,018.05/x
3. Step 3: Cross multiply
   23,629.05x = 32,607.90 × 13,018.05
4. Step 4: Simplify right side
   23,629.05x = 424,491,272.60
5. Step 5: Solve for x
   x = 424,491,272.60/23,629.05
6. Step 6: Final answer
   x = 17,964.80