Finding the Fourth Proportional to 23,356.72, 32,231.46 and 13,284.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,356.72 : 32,231.46 = 13,284.40 : x
2. Step 2: Convert to fraction form
   23,356.72/32,231.46 = 13,284.40/x
3. Step 3: Cross multiply
   23,356.72x = 32,231.46 × 13,284.40
4. Step 4: Simplify right side
   23,356.72x = 428,175,607.22
5. Step 5: Solve for x
   x = 428,175,607.22/23,356.72
6. Step 6: Final answer
   x = 18,332.01