Finding the Fourth Proportional to 23,678.80, 32,676.56 and 13,469.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,678.80 : 32,676.56 = 13,469.80 : x
2. Step 2: Convert to fraction form
   23,678.80/32,676.56 = 13,469.80/x
3. Step 3: Cross multiply
   23,678.80x = 32,676.56 × 13,469.80
4. Step 4: Simplify right side
   23,678.80x = 440,146,727.89
5. Step 5: Solve for x
   x = 440,146,727.89/23,678.80
6. Step 6: Final answer
   x = 18,588.22