Finding the Fourth Proportional to 30,623.37, 42,249.67 and 17,192.76

Step by Step Solution

1. Step 1: Write the proportion equation
   30,623.37 : 42,249.67 = 17,192.76 : x
2. Step 2: Convert to fraction form
   30,623.37/42,249.67 = 17,192.76/x
3. Step 3: Cross multiply
   30,623.37x = 42,249.67 × 17,192.76
4. Step 4: Simplify right side
   30,623.37x = 726,388,436.39
5. Step 5: Solve for x
   x = 726,388,436.39/30,623.37
6. Step 6: Final answer
   x = 23,720.07