Finding the Fourth Proportional to 2,319.32, 3,200.67 and 1,271.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319.32 : 3,200.67 = 1,271.38 : x
2. Step 2: Convert to fraction form
   2,319.32/3,200.67 = 1,271.38/x
3. Step 3: Cross multiply
   2,319.32x = 3,200.67 × 1,271.38
4. Step 4: Simplify right side
   2,319.32x = 4,069,267.82
5. Step 5: Solve for x
   x = 4,069,267.82/2,319.32
6. Step 6: Final answer
   x = 1,754.51