Finding the Fourth Proportional to 23,678.31, 32,676.53 and 13,067.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,678.31 : 32,676.53 = 13,067.72 : x
2. Step 2: Convert to fraction form
   23,678.31/32,676.53 = 13,067.72/x
3. Step 3: Cross multiply
   23,678.31x = 32,676.53 × 13,067.72
4. Step 4: Simplify right side
   23,678.31x = 427,007,744.61
5. Step 5: Solve for x
   x = 427,007,744.61/23,678.31
6. Step 6: Final answer
   x = 18,033.71