Finding the Fourth Proportional to 30,517.56, 42,113.52 and 17,943.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,517.56 : 42,113.52 = 17,943.12 : x
2. Step 2: Convert to fraction form
   30,517.56/42,113.52 = 17,943.12/x
3. Step 3: Cross multiply
   30,517.56x = 42,113.52 × 17,943.12
4. Step 4: Simplify right side
   30,517.56x = 755,647,942.98
5. Step 5: Solve for x
   x = 755,647,942.98/30,517.56
6. Step 6: Final answer
   x = 24,761.09