Finding the Fourth Proportional to 30,714.96, 42,388.86 and 17,287.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,714.96 : 42,388.86 = 17,287.56 : x
2. Step 2: Convert to fraction form
   30,714.96/42,388.86 = 17,287.56/x
3. Step 3: Cross multiply
   30,714.96x = 42,388.86 × 17,287.56
4. Step 4: Simplify right side
   30,714.96x = 732,799,960.58
5. Step 5: Solve for x
   x = 732,799,960.58/30,714.96
6. Step 6: Final answer
   x = 23,858.08