Finding the Fourth Proportional to 2,319.34, 3,200.72 and 1,271.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319.34 : 3,200.72 = 1,271.41 : x
2. Step 2: Convert to fraction form
   2,319.34/3,200.72 = 1,271.41/x
3. Step 3: Cross multiply
   2,319.34x = 3,200.72 × 1,271.41
4. Step 4: Simplify right side
   2,319.34x = 4,069,427.42
5. Step 5: Solve for x
   x = 4,069,427.42/2,319.34
6. Step 6: Final answer
   x = 1,754.56