Finding the Fourth Proportional to 23,398.83, 32,289.91 and 12,788.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,398.83 : 32,289.91 = 12,788.54 : x
2. Step 2: Convert to fraction form
   23,398.83/32,289.91 = 12,788.54/x
3. Step 3: Cross multiply
   23,398.83x = 32,289.91 × 12,788.54
4. Step 4: Simplify right side
   23,398.83x = 412,940,902.34
5. Step 5: Solve for x
   x = 412,940,902.34/23,398.83
6. Step 6: Final answer
   x = 17,647.93