Finding the Fourth Proportional to 23,608.20, 32,579.27 and 12,997.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,608.20 : 32,579.27 = 12,997.84 : x
2. Step 2: Convert to fraction form
   23,608.20/32,579.27 = 12,997.84/x
3. Step 3: Cross multiply
   23,608.20x = 32,579.27 × 12,997.84
4. Step 4: Simplify right side
   23,608.20x = 423,460,138.78
5. Step 5: Solve for x
   x = 423,460,138.78/23,608.20
6. Step 6: Final answer
   x = 17,936.99