Finding the Fourth Proportional to 19,816.14, 27,300.31 and 13,838.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,816.14 : 27,300.31 = 13,838.34 : x
2. Step 2: Convert to fraction form
   19,816.14/27,300.31 = 13,838.34/x
3. Step 3: Cross multiply
   19,816.14x = 27,300.31 × 13,838.34
4. Step 4: Simplify right side
   19,816.14x = 377,790,971.89
5. Step 5: Solve for x
   x = 377,790,971.89/19,816.14
6. Step 6: Final answer
   x = 19,064.81