Finding the Fourth Proportional to 30,568.56, 42,183.09 and 17,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,568.56 : 42,183.09 = 17,992.50 : x
2. Step 2: Convert to fraction form
   30,568.56/42,183.09 = 17,992.50/x
3. Step 3: Cross multiply
   30,568.56x = 42,183.09 × 17,992.50
4. Step 4: Simplify right side
   30,568.56x = 758,979,246.83
5. Step 5: Solve for x
   x = 758,979,246.83/30,568.56
6. Step 6: Final answer
   x = 24,828.75