Finding the Fourth Proportional to 21,754.89, 30,021.75 and 12,194.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,754.89 : 30,021.75 = 12,194.82 : x
2. Step 2: Convert to fraction form
   21,754.89/30,021.75 = 12,194.82/x
3. Step 3: Cross multiply
   21,754.89x = 30,021.75 × 12,194.82
4. Step 4: Simplify right side
   21,754.89x = 366,109,837.34
5. Step 5: Solve for x
   x = 366,109,837.34/21,754.89
6. Step 6: Final answer
   x = 16,828.85