Finding the Fourth Proportional to 19,940.34, 27,517.56 and 10,865.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,940.34 : 27,517.56 = 10,865.69 : x
2. Step 2: Convert to fraction form
   19,940.34/27,517.56 = 10,865.69/x
3. Step 3: Cross multiply
   19,940.34x = 27,517.56 × 10,865.69
4. Step 4: Simplify right side
   19,940.34x = 298,997,193.48
5. Step 5: Solve for x
   x = 298,997,193.48/19,940.34
6. Step 6: Final answer
   x = 14,994.59