Finding the Fourth Proportional to 19,896.55, 27,456.57 and 10,943.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,896.55 : 27,456.57 = 10,943.98 : x
2. Step 2: Convert to fraction form
   19,896.55/27,456.57 = 10,943.98/x
3. Step 3: Cross multiply
   19,896.55x = 27,456.57 × 10,943.98
4. Step 4: Simplify right side
   19,896.55x = 300,484,084.31
5. Step 5: Solve for x
   x = 300,484,084.31/19,896.55
6. Step 6: Final answer
   x = 15,102.32