Finding the Fourth Proportional to 30,870.94, 42,599.82 and 17,442.76

Step by Step Solution

1. Step 1: Write the proportion equation
   30,870.94 : 42,599.82 = 17,442.76 : x
2. Step 2: Convert to fraction form
   30,870.94/42,599.82 = 17,442.76/x
3. Step 3: Cross multiply
   30,870.94x = 42,599.82 × 17,442.76
4. Step 4: Simplify right side
   30,870.94x = 743,058,436.30
5. Step 5: Solve for x
   x = 743,058,436.30/30,870.94
6. Step 6: Final answer
   x = 24,069.84