Finding the Fourth Proportional to 19,892.38, 27,451.47 and 10,940.02

Step by Step Solution

1. Step 1: Write the proportion equation
   19,892.38 : 27,451.47 = 10,940.02 : x
2. Step 2: Convert to fraction form
   19,892.38/27,451.47 = 10,940.02/x
3. Step 3: Cross multiply
   19,892.38x = 27,451.47 × 10,940.02
4. Step 4: Simplify right side
   19,892.38x = 300,319,630.83
5. Step 5: Solve for x
   x = 300,319,630.83/19,892.38
6. Step 6: Final answer
   x = 15,097.22