Finding the Fourth Proportional to 23,361.60, 32,242.10 and 13,288.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,361.60 : 32,242.10 = 13,288.10 : x
2. Step 2: Convert to fraction form
   23,361.60/32,242.10 = 13,288.10/x
3. Step 3: Cross multiply
   23,361.60x = 32,242.10 × 13,288.10
4. Step 4: Simplify right side
   23,361.60x = 428,436,021.36
5. Step 5: Solve for x
   x = 428,436,021.36/23,361.60
6. Step 6: Final answer
   x = 18,339.33