Finding the Fourth Proportional to 23,448.72, 32,357.94 and 12,836.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,448.72 : 32,357.94 = 12,836.30 : x
2. Step 2: Convert to fraction form
   23,448.72/32,357.94 = 12,836.30/x
3. Step 3: Cross multiply
   23,448.72x = 32,357.94 × 12,836.30
4. Step 4: Simplify right side
   23,448.72x = 415,356,063.43
5. Step 5: Solve for x
   x = 415,356,063.43/23,448.72
6. Step 6: Final answer
   x = 17,713.38