Finding the Fourth Proportional to 2,319.38, 3,200.76 and 1,271.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319.38 : 3,200.76 = 1,271.46 : x
2. Step 2: Convert to fraction form
   2,319.38/3,200.76 = 1,271.46/x
3. Step 3: Cross multiply
   2,319.38x = 3,200.76 × 1,271.46
4. Step 4: Simplify right side
   2,319.38x = 4,069,638.31
5. Step 5: Solve for x
   x = 4,069,638.31/2,319.38
6. Step 6: Final answer
   x = 1,754.62