Finding the Fourth Proportional to 16,955.42, 25,423.79 and 13,467.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,955.42 : 25,423.79 = 13,467.78 : x
2. Step 2: Convert to fraction form
   16,955.42/25,423.79 = 13,467.78/x
3. Step 3: Cross multiply
   16,955.42x = 25,423.79 × 13,467.78
4. Step 4: Simplify right side
   16,955.42x = 342,401,943.15
5. Step 5: Solve for x
   x = 342,401,943.15/16,955.42
6. Step 6: Final answer
   x = 20,194.25