Finding the Fourth Proportional to 23,589.54, 32,554.06 and 12,979.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,589.54 : 32,554.06 = 12,979.18 : x
2. Step 2: Convert to fraction form
   23,589.54/32,554.06 = 12,979.18/x
3. Step 3: Cross multiply
   23,589.54x = 32,554.06 × 12,979.18
4. Step 4: Simplify right side
   23,589.54x = 422,525,004.47
5. Step 5: Solve for x
   x = 422,525,004.47/23,589.54
6. Step 6: Final answer
   x = 17,911.54