Finding the Fourth Proportional to 17,057.94, 25,591.23 and 5,211.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,057.94 : 25,591.23 = 5,211.42 : x
2. Step 2: Convert to fraction form
   17,057.94/25,591.23 = 5,211.42/x
3. Step 3: Cross multiply
   17,057.94x = 25,591.23 × 5,211.42
4. Step 4: Simplify right side
   17,057.94x = 133,366,647.85
5. Step 5: Solve for x
   x = 133,366,647.85/17,057.94
6. Step 6: Final answer
   x = 7,818.45