Finding the Fourth Proportional to 17,141.67, 25,689.15 and 10,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,141.67 : 25,689.15 = 10,480.50 : x
2. Step 2: Convert to fraction form
   17,141.67/25,689.15 = 10,480.50/x
3. Step 3: Cross multiply
   17,141.67x = 25,689.15 × 10,480.50
4. Step 4: Simplify right side
   17,141.67x = 269,235,136.58
5. Step 5: Solve for x
   x = 269,235,136.58/17,141.67
6. Step 6: Final answer
   x = 15,706.47