Finding the Fourth Proportional to 30,571.59, 42,189.25 and 17,824.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,571.59 : 42,189.25 = 17,824.42 : x
2. Step 2: Convert to fraction form
   30,571.59/42,189.25 = 17,824.42/x
3. Step 3: Cross multiply
   30,571.59x = 42,189.25 × 17,824.42
4. Step 4: Simplify right side
   30,571.59x = 751,998,761.45
5. Step 5: Solve for x
   x = 751,998,761.45/30,571.59
6. Step 6: Final answer
   x = 24,597.96