Finding the Fourth Proportional to 30,851.49, 42,574.75 and 17,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,851.49 : 42,574.75 = 17,422.50 : x
2. Step 2: Convert to fraction form
   30,851.49/42,574.75 = 17,422.50/x
3. Step 3: Cross multiply
   30,851.49x = 42,574.75 × 17,422.50
4. Step 4: Simplify right side
   30,851.49x = 741,758,581.88
5. Step 5: Solve for x
   x = 741,758,581.88/30,851.49
6. Step 6: Final answer
   x = 24,042.88