Finding the Fourth Proportional to 19,892.56, 27,452.38 and 10,940.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,892.56 : 27,452.38 = 10,940.72 : x
2. Step 2: Convert to fraction form
   19,892.56/27,452.38 = 10,940.72/x
3. Step 3: Cross multiply
   19,892.56x = 27,452.38 × 10,940.72
4. Step 4: Simplify right side
   19,892.56x = 300,348,802.91
5. Step 5: Solve for x
   x = 300,348,802.91/19,892.56
6. Step 6: Final answer
   x = 15,098.55