Finding the Fourth Proportional to 23,698.89, 35,556.98 and 8,118.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,698.89 : 35,556.98 = 8,118.09 : x
2. Step 2: Convert to fraction form
   23,698.89/35,556.98 = 8,118.09/x
3. Step 3: Cross multiply
   23,698.89x = 35,556.98 × 8,118.09
4. Step 4: Simplify right side
   23,698.89x = 288,654,723.18
5. Step 5: Solve for x
   x = 288,654,723.18/23,698.89
6. Step 6: Final answer
   x = 12,180.09