Finding the Fourth Proportional to 30,602.06, 42,218.79 and 17,674.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,602.06 : 42,218.79 = 17,674.46 : x
2. Step 2: Convert to fraction form
   30,602.06/42,218.79 = 17,674.46/x
3. Step 3: Cross multiply
   30,602.06x = 42,218.79 × 17,674.46
4. Step 4: Simplify right side
   30,602.06x = 746,194,315.10
5. Step 5: Solve for x
   x = 746,194,315.10/30,602.06
6. Step 6: Final answer
   x = 24,383.79