Finding the Fourth Proportional to 23,682.86, 32,678.42 and 13,609.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,682.86 : 32,678.42 = 13,609.16 : x
2. Step 2: Convert to fraction form
   23,682.86/32,678.42 = 13,609.16/x
3. Step 3: Cross multiply
   23,682.86x = 32,678.42 × 13,609.16
4. Step 4: Simplify right side
   23,682.86x = 444,725,614.89
5. Step 5: Solve for x
   x = 444,725,614.89/23,682.86
6. Step 6: Final answer
   x = 18,778.38