Finding the Fourth Proportional to 23,629.12, 32,606.72 and 13,018.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,629.12 : 32,606.72 = 13,018.16 : x
2. Step 2: Convert to fraction form
   23,629.12/32,606.72 = 13,018.16/x
3. Step 3: Cross multiply
   23,629.12x = 32,606.72 × 13,018.16
4. Step 4: Simplify right side
   23,629.12x = 424,479,498.04
5. Step 5: Solve for x
   x = 424,479,498.04/23,629.12
6. Step 6: Final answer
   x = 17,964.25