Finding the Fourth Proportional to 17,013.56, 25,525.53 and 8,699.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,013.56 : 25,525.53 = 8,699.42 : x
2. Step 2: Convert to fraction form
   17,013.56/25,525.53 = 8,699.42/x
3. Step 3: Cross multiply
   17,013.56x = 25,525.53 × 8,699.42
4. Step 4: Simplify right side
   17,013.56x = 222,057,306.19
5. Step 5: Solve for x
   x = 222,057,306.19/17,013.56
6. Step 6: Final answer
   x = 13,051.78