Finding the Fourth Proportional to 30,627.29, 42,264.29 and 17,198.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,627.29 : 42,264.29 = 17,198.30 : x
2. Step 2: Convert to fraction form
   30,627.29/42,264.29 = 17,198.30/x
3. Step 3: Cross multiply
   30,627.29x = 42,264.29 × 17,198.30
4. Step 4: Simplify right side
   30,627.29x = 726,873,641.39
5. Step 5: Solve for x
   x = 726,873,641.39/30,627.29
6. Step 6: Final answer
   x = 23,732.88