Finding the Fourth Proportional to 16,877.05, 25,315.57 and 13,173.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,877.05 : 25,315.57 = 13,173.73 : x
2. Step 2: Convert to fraction form
   16,877.05/25,315.57 = 13,173.73/x
3. Step 3: Cross multiply
   16,877.05x = 25,315.57 × 13,173.73
4. Step 4: Simplify right side
   16,877.05x = 333,500,483.98
5. Step 5: Solve for x
   x = 333,500,483.98/16,877.05
6. Step 6: Final answer
   x = 19,760.59