Finding the Fourth Proportional to 11,894.94, 17,849.34 and 10,981.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,894.94 : 17,849.34 = 10,981.53 : x
2. Step 2: Convert to fraction form
   11,894.94/17,849.34 = 10,981.53/x
3. Step 3: Cross multiply
   11,894.94x = 17,849.34 × 10,981.53
4. Step 4: Simplify right side
   11,894.94x = 196,013,062.69
5. Step 5: Solve for x
   x = 196,013,062.69/11,894.94
6. Step 6: Final answer
   x = 16,478.69