Finding the Fourth Proportional to 21,892.22, 30,212.43 and 12,463.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,892.22 : 30,212.43 = 12,463.82 : x
2. Step 2: Convert to fraction form
   21,892.22/30,212.43 = 12,463.82/x
3. Step 3: Cross multiply
   21,892.22x = 30,212.43 × 12,463.82
4. Step 4: Simplify right side
   21,892.22x = 376,562,289.28
5. Step 5: Solve for x
   x = 376,562,289.28/21,892.22
6. Step 6: Final answer
   x = 17,200.74