Finding the Fourth Proportional to 17,175.30, 25,771.05 and 12,801.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,175.30 : 25,771.05 = 12,801.30 : x
2. Step 2: Convert to fraction form
   17,175.30/25,771.05 = 12,801.30/x
3. Step 3: Cross multiply
   17,175.30x = 25,771.05 × 12,801.30
4. Step 4: Simplify right side
   17,175.30x = 329,902,942.37
5. Step 5: Solve for x
   x = 329,902,942.37/17,175.30
6. Step 6: Final answer
   x = 19,207.99