Finding the Fourth Proportional to 23,683, 32,678.82 and 13,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,683 : 32,678.82 = 13,609.50 : x
2. Step 2: Convert to fraction form
   23,683/32,678.82 = 13,609.50/x
3. Step 3: Cross multiply
   23,683x = 32,678.82 × 13,609.50
4. Step 4: Simplify right side
   23,683x = 444,742,400.79
5. Step 5: Solve for x
   x = 444,742,400.79/23,683
6. Step 6: Final answer
   x = 18,778.97