Finding the Fourth Proportional to 16,981.38, 25,453.80 and 10,411.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,981.38 : 25,453.80 = 10,411.98 : x
2. Step 2: Convert to fraction form
   16,981.38/25,453.80 = 10,411.98/x
3. Step 3: Cross multiply
   16,981.38x = 25,453.80 × 10,411.98
4. Step 4: Simplify right side
   16,981.38x = 265,024,456.52
5. Step 5: Solve for x
   x = 265,024,456.52/16,981.38
6. Step 6: Final answer
   x = 15,606.77