Finding the Fourth Proportional to 30,738.32, 42,415.35 and 17,309.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,738.32 : 42,415.35 = 17,309.24 : x
2. Step 2: Convert to fraction form
   30,738.32/42,415.35 = 17,309.24/x
3. Step 3: Cross multiply
   30,738.32x = 42,415.35 × 17,309.24
4. Step 4: Simplify right side
   30,738.32x = 734,177,472.83
5. Step 5: Solve for x
   x = 734,177,472.83/30,738.32
6. Step 6: Final answer
   x = 23,884.76