Finding the Fourth Proportional to 17,306.34, 25,876.89 and 13,353.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,306.34 : 25,876.89 = 13,353.54 : x
2. Step 2: Convert to fraction form
   17,306.34/25,876.89 = 13,353.54/x
3. Step 3: Cross multiply
   17,306.34x = 25,876.89 × 13,353.54
4. Step 4: Simplify right side
   17,306.34x = 345,548,085.69
5. Step 5: Solve for x
   x = 345,548,085.69/17,306.34
6. Step 6: Final answer
   x = 19,966.56