Finding the Fourth Proportional to 23,609.51, 32,579.88 and 12,997.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,609.51 : 32,579.88 = 12,997.09 : x
2. Step 2: Convert to fraction form
   23,609.51/32,579.88 = 12,997.09/x
3. Step 3: Cross multiply
   23,609.51x = 32,579.88 × 12,997.09
4. Step 4: Simplify right side
   23,609.51x = 423,443,632.55
5. Step 5: Solve for x
   x = 423,443,632.55/23,609.51
6. Step 6: Final answer
   x = 17,935.30