Finding the Fourth Proportional to 30,664.97, 42,321.17 and 17,054.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,664.97 : 42,321.17 = 17,054.37 : x
2. Step 2: Convert to fraction form
   30,664.97/42,321.17 = 17,054.37/x
3. Step 3: Cross multiply
   30,664.97x = 42,321.17 × 17,054.37
4. Step 4: Simplify right side
   30,664.97x = 721,760,892.01
5. Step 5: Solve for x
   x = 721,760,892.01/30,664.97
6. Step 6: Final answer
   x = 23,536.98