Finding the Fourth Proportional to 2,319.41, 3,200.86 and 1,271.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319.41 : 3,200.86 = 1,271.47 : x
2. Step 2: Convert to fraction form
   2,319.41/3,200.86 = 1,271.47/x
3. Step 3: Cross multiply
   2,319.41x = 3,200.86 × 1,271.47
4. Step 4: Simplify right side
   2,319.41x = 4,069,797.46
5. Step 5: Solve for x
   x = 4,069,797.46/2,319.41
6. Step 6: Final answer
   x = 1,754.67