Finding the Fourth Proportional to 2,202.50, 3,039.72 and 1,271

Step by Step Solution

1. Step 1: Write the proportion equation
   2,202.50 : 3,039.72 = 1,271 : x
2. Step 2: Convert to fraction form
   2,202.50/3,039.72 = 1,271/x
3. Step 3: Cross multiply
   2,202.50x = 3,039.72 × 1,271
4. Step 4: Simplify right side
   2,202.50x = 3,863,484.12
5. Step 5: Solve for x
   x = 3,863,484.12/2,202.50
6. Step 6: Final answer
   x = 1,754.14