Finding the Fourth Proportional to 19,892.17, 27,450.25 and 10,940.05

Step by Step Solution

1. Step 1: Write the proportion equation
   19,892.17 : 27,450.25 = 10,940.05 : x
2. Step 2: Convert to fraction form
   19,892.17/27,450.25 = 10,940.05/x
3. Step 3: Cross multiply
   19,892.17x = 27,450.25 × 10,940.05
4. Step 4: Simplify right side
   19,892.17x = 300,307,107.51
5. Step 5: Solve for x
   x = 300,307,107.51/19,892.17
6. Step 6: Final answer
   x = 15,096.75