Finding the Fourth Proportional to 30,670.24, 42,324.72 and 17,422.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,670.24 : 42,324.72 = 17,422.24 : x
2. Step 2: Convert to fraction form
   30,670.24/42,324.72 = 17,422.24/x
3. Step 3: Cross multiply
   30,670.24x = 42,324.72 × 17,422.24
4. Step 4: Simplify right side
   30,670.24x = 737,391,429.77
5. Step 5: Solve for x
   x = 737,391,429.77/30,670.24
6. Step 6: Final answer
   x = 24,042.57