Finding the Fourth Proportional to 23,590.08, 32,554.31 and 12,979.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,590.08 : 32,554.31 = 12,979.49 : x
2. Step 2: Convert to fraction form
   23,590.08/32,554.31 = 12,979.49/x
3. Step 3: Cross multiply
   23,590.08x = 32,554.31 × 12,979.49
4. Step 4: Simplify right side
   23,590.08x = 422,538,113.43
5. Step 5: Solve for x
   x = 422,538,113.43/23,590.08
6. Step 6: Final answer
   x = 17,911.69