Finding the Fourth Proportional to 23,608.49, 32,579.54 and 12,997.89

Step by Step Solution

1. Step 1: Write the proportion equation
   23,608.49 : 32,579.54 = 12,997.89 : x
2. Step 2: Convert to fraction form
   23,608.49/32,579.54 = 12,997.89/x
3. Step 3: Cross multiply
   23,608.49x = 32,579.54 × 12,997.89
4. Step 4: Simplify right side
   23,608.49x = 423,465,212.18
5. Step 5: Solve for x
   x = 423,465,212.18/23,608.49
6. Step 6: Final answer
   x = 17,936.99