Finding the Fourth Proportional to 30,871.08, 42,599.56 and 17,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,871.08 : 42,599.56 = 17,443.50 : x
2. Step 2: Convert to fraction form
   30,871.08/42,599.56 = 17,443.50/x
3. Step 3: Cross multiply
   30,871.08x = 42,599.56 × 17,443.50
4. Step 4: Simplify right side
   30,871.08x = 743,085,424.86
5. Step 5: Solve for x
   x = 743,085,424.86/30,871.08
6. Step 6: Final answer
   x = 24,070.60