Finding the Fourth Proportional to 30,607.38, 42,242.30 and 17,179.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,607.38 : 42,242.30 = 17,179.37 : x
2. Step 2: Convert to fraction form
   30,607.38/42,242.30 = 17,179.37/x
3. Step 3: Cross multiply
   30,607.38x = 42,242.30 × 17,179.37
4. Step 4: Simplify right side
   30,607.38x = 725,695,804.24
5. Step 5: Solve for x
   x = 725,695,804.24/30,607.38
6. Step 6: Final answer
   x = 23,709.83