Finding the Fourth Proportional to 30,714.89, 42,386.50 and 17,286.23

Step by Step Solution

1. Step 1: Write the proportion equation
   30,714.89 : 42,386.50 = 17,286.23 : x
2. Step 2: Convert to fraction form
   30,714.89/42,386.50 = 17,286.23/x
3. Step 3: Cross multiply
   30,714.89x = 42,386.50 × 17,286.23
4. Step 4: Simplify right side
   30,714.89x = 732,702,915.47
5. Step 5: Solve for x
   x = 732,702,915.47/30,714.89
6. Step 6: Final answer
   x = 23,854.98