Finding the Fourth Proportional to 23,579.78, 35,327.75 and 12,494.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,579.78 : 35,327.75 = 12,494.12 : x
2. Step 2: Convert to fraction form
   23,579.78/35,327.75 = 12,494.12/x
3. Step 3: Cross multiply
   23,579.78x = 35,327.75 × 12,494.12
4. Step 4: Simplify right side
   23,579.78x = 441,388,908.72
5. Step 5: Solve for x
   x = 441,388,908.72/23,579.78
6. Step 6: Final answer
   x = 18,718.96