Finding the Fourth Proportional to 30,973, 42,751.18 and 18,230.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,973 : 42,751.18 = 18,230.27 : x
2. Step 2: Convert to fraction form
   30,973/42,751.18 = 18,230.27/x
3. Step 3: Cross multiply
   30,973x = 42,751.18 × 18,230.27
4. Step 4: Simplify right side
   30,973x = 779,365,554.22
5. Step 5: Solve for x
   x = 779,365,554.22/30,973
6. Step 6: Final answer
   x = 25,162.74