Finding the Fourth Proportional to 30,667.88, 42,326.16 and 17,240.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,667.88 : 42,326.16 = 17,240.24 : x
2. Step 2: Convert to fraction form
   30,667.88/42,326.16 = 17,240.24/x
3. Step 3: Cross multiply
   30,667.88x = 42,326.16 × 17,240.24
4. Step 4: Simplify right side
   30,667.88x = 729,713,156.68
5. Step 5: Solve for x
   x = 729,713,156.68/30,667.88
6. Step 6: Final answer
   x = 23,794.05