Finding the Fourth Proportional to 5,269.50, 7,271.28 and 2,911.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,269.50 : 7,271.28 = 2,911.32 : x
2. Step 2: Convert to fraction form
   5,269.50/7,271.28 = 2,911.32/x
3. Step 3: Cross multiply
   5,269.50x = 7,271.28 × 2,911.32
4. Step 4: Simplify right side
   5,269.50x = 21,169,022.89
5. Step 5: Solve for x
   x = 21,169,022.89/5,269.50
6. Step 6: Final answer
   x = 4,017.27