Finding the Fourth Proportional to 23,398.37, 32,289.82 and 12,788.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,398.37 : 32,289.82 = 12,788.18 : x
2. Step 2: Convert to fraction form
   23,398.37/32,289.82 = 12,788.18/x
3. Step 3: Cross multiply
   23,398.37x = 32,289.82 × 12,788.18
4. Step 4: Simplify right side
   23,398.37x = 412,927,868.88
5. Step 5: Solve for x
   x = 412,927,868.88/23,398.37
6. Step 6: Final answer
   x = 17,647.72