Finding the Fourth Proportional to 30,958.34, 42,733.41 and 18,383

Step by Step Solution

1. Step 1: Write the proportion equation
   30,958.34 : 42,733.41 = 18,383 : x
2. Step 2: Convert to fraction form
   30,958.34/42,733.41 = 18,383/x
3. Step 3: Cross multiply
   30,958.34x = 42,733.41 × 18,383
4. Step 4: Simplify right side
   30,958.34x = 785,568,276.03
5. Step 5: Solve for x
   x = 785,568,276.03/30,958.34
6. Step 6: Final answer
   x = 25,375.01