Finding the Fourth Proportional to 3,501.72, 5,255.82 and 1,771.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.72 : 5,255.82 = 1,771.56 : x
2. Step 2: Convert to fraction form
   3,501.72/5,255.82 = 1,771.56/x
3. Step 3: Cross multiply
   3,501.72x = 5,255.82 × 1,771.56
4. Step 4: Simplify right side
   3,501.72x = 9,311,000.48
5. Step 5: Solve for x
   x = 9,311,000.48/3,501.72
6. Step 6: Final answer
   x = 2,658.98