Finding the Fourth Proportional to 17,141.45, 25,715.39 and 7,782.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,141.45 : 25,715.39 = 7,782.12 : x
2. Step 2: Convert to fraction form
   17,141.45/25,715.39 = 7,782.12/x
3. Step 3: Cross multiply
   17,141.45x = 25,715.39 × 7,782.12
4. Step 4: Simplify right side
   17,141.45x = 200,120,250.83
5. Step 5: Solve for x
   x = 200,120,250.83/17,141.45
6. Step 6: Final answer
   x = 11,674.64