Finding the Fourth Proportional to 17,357.69, 23,951.90 and 9,699.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,357.69 : 23,951.90 = 9,699.55 : x
2. Step 2: Convert to fraction form
   17,357.69/23,951.90 = 9,699.55/x
3. Step 3: Cross multiply
   17,357.69x = 23,951.90 × 9,699.55
4. Step 4: Simplify right side
   17,357.69x = 232,322,616.01
5. Step 5: Solve for x
   x = 232,322,616.01/17,357.69
6. Step 6: Final answer
   x = 13,384.42