Finding the Fourth Proportional to 2,319.46, 3,200.88 and 1,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319.46 : 3,200.88 = 1,271.50 : x
2. Step 2: Convert to fraction form
   2,319.46/3,200.88 = 1,271.50/x
3. Step 3: Cross multiply
   2,319.46x = 3,200.88 × 1,271.50
4. Step 4: Simplify right side
   2,319.46x = 4,069,918.92
5. Step 5: Solve for x
   x = 4,069,918.92/2,319.46
6. Step 6: Final answer
   x = 1,754.68