Finding the Fourth Proportional to 30,112.56, 41,557.71 and 16,685.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,112.56 : 41,557.71 = 16,685.09 : x
2. Step 2: Convert to fraction form
   30,112.56/41,557.71 = 16,685.09/x
3. Step 3: Cross multiply
   30,112.56x = 41,557.71 × 16,685.09
4. Step 4: Simplify right side
   30,112.56x = 693,394,048.31
5. Step 5: Solve for x
   x = 693,394,048.31/30,112.56
6. Step 6: Final answer
   x = 23,026.74