Finding the Fourth Proportional to 19,892.67, 27,451.52 and 10,940.20

Step by Step Solution

1. Step 1: Write the proportion equation
   19,892.67 : 27,451.52 = 10,940.20 : x
2. Step 2: Convert to fraction form
   19,892.67/27,451.52 = 10,940.20/x
3. Step 3: Cross multiply
   19,892.67x = 27,451.52 × 10,940.20
4. Step 4: Simplify right side
   19,892.67x = 300,325,009.20
5. Step 5: Solve for x
   x = 300,325,009.20/19,892.67
6. Step 6: Final answer
   x = 15,097.27