Finding the Fourth Proportional to 30,873.42, 42,604.92 and 17,443.80

Step by Step Solution

1. Step 1: Write the proportion equation
   30,873.42 : 42,604.92 = 17,443.80 : x
2. Step 2: Convert to fraction form
   30,873.42/42,604.92 = 17,443.80/x
3. Step 3: Cross multiply
   30,873.42x = 42,604.92 × 17,443.80
4. Step 4: Simplify right side
   30,873.42x = 743,191,703.50
5. Step 5: Solve for x
   x = 743,191,703.50/30,873.42
6. Step 6: Final answer
   x = 24,072.22