Finding the Fourth Proportional to 30,973, 42,743.54 and 16,825.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,973 : 42,743.54 = 16,825.84 : x
2. Step 2: Convert to fraction form
   30,973/42,743.54 = 16,825.84/x
3. Step 3: Cross multiply
   30,973x = 42,743.54 × 16,825.84
4. Step 4: Simplify right side
   30,973x = 719,195,965.07
5. Step 5: Solve for x
   x = 719,195,965.07/30,973
6. Step 6: Final answer
   x = 23,220.09