Finding the Fourth Proportional to 17,696.69, 24,421.43 and 9,738.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,696.69 : 24,421.43 = 9,738.91 : x
2. Step 2: Convert to fraction form
   17,696.69/24,421.43 = 9,738.91/x
3. Step 3: Cross multiply
   17,696.69x = 24,421.43 × 9,738.91
4. Step 4: Simplify right side
   17,696.69x = 237,838,136.32
5. Step 5: Solve for x
   x = 237,838,136.32/17,696.69
6. Step 6: Final answer
   x = 13,439.70