Finding the Fourth Proportional to 21,892.26, 30,211.46 and 12,460.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,892.26 : 30,211.46 = 12,460.82 : x
2. Step 2: Convert to fraction form
   21,892.26/30,211.46 = 12,460.82/x
3. Step 3: Cross multiply
   21,892.26x = 30,211.46 × 12,460.82
4. Step 4: Simplify right side
   21,892.26x = 376,459,351.64
5. Step 5: Solve for x
   x = 376,459,351.64/21,892.26
6. Step 6: Final answer
   x = 17,196.00