Finding the Fourth Proportional to 30,673.42, 42,328.34 and 17,245.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,673.42 : 42,328.34 = 17,245.24 : x
2. Step 2: Convert to fraction form
   30,673.42/42,328.34 = 17,245.24/x
3. Step 3: Cross multiply
   30,673.42x = 42,328.34 × 17,245.24
4. Step 4: Simplify right side
   30,673.42x = 729,962,382.10
5. Step 5: Solve for x
   x = 729,962,382.10/30,673.42
6. Step 6: Final answer
   x = 23,797.88