Finding the Fourth Proportional to 30,568.59, 42,185.10 and 17,821.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,568.59 : 42,185.10 = 17,821.42 : x
2. Step 2: Convert to fraction form
   30,568.59/42,185.10 = 17,821.42/x
3. Step 3: Cross multiply
   30,568.59x = 42,185.10 × 17,821.42
4. Step 4: Simplify right side
   30,568.59x = 751,798,346.21
5. Step 5: Solve for x
   x = 751,798,346.21/30,568.59
6. Step 6: Final answer
   x = 24,593.82