Finding the Fourth Proportional to 30,714.82, 42,386.42 and 17,286.17

Step by Step Solution

1. Step 1: Write the proportion equation
   30,714.82 : 42,386.42 = 17,286.17 : x
2. Step 2: Convert to fraction form
   30,714.82/42,386.42 = 17,286.17/x
3. Step 3: Cross multiply
   30,714.82x = 42,386.42 × 17,286.17
4. Step 4: Simplify right side
   30,714.82x = 732,698,881.35
5. Step 5: Solve for x
   x = 732,698,881.35/30,714.82
6. Step 6: Final answer
   x = 23,854.90