Finding the Fourth Proportional to 30,112.72, 41,552.14 and 16,680.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,112.72 : 41,552.14 = 16,680.56 : x
2. Step 2: Convert to fraction form
   30,112.72/41,552.14 = 16,680.56/x
3. Step 3: Cross multiply
   30,112.72x = 41,552.14 × 16,680.56
4. Step 4: Simplify right side
   30,112.72x = 693,112,964.40
5. Step 5: Solve for x
   x = 693,112,964.40/30,112.72
6. Step 6: Final answer
   x = 23,017.28