Finding the Fourth Proportional to 30,714.37, 42,389.91 and 17,288.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,714.37 : 42,389.91 = 17,288.24 : x
2. Step 2: Convert to fraction form
   30,714.37/42,389.91 = 17,288.24/x
3. Step 3: Cross multiply
   30,714.37x = 42,389.91 × 17,288.24
4. Step 4: Simplify right side
   30,714.37x = 732,846,725.71
5. Step 5: Solve for x
   x = 732,846,725.71/30,714.37
6. Step 6: Final answer
   x = 23,860.06