Finding the Fourth Proportional to 2,370.67, 3,271.59 and 1,322.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.67 : 3,271.59 = 1,322.80 : x
2. Step 2: Convert to fraction form
   2,370.67/3,271.59 = 1,322.80/x
3. Step 3: Cross multiply
   2,370.67x = 3,271.59 × 1,322.80
4. Step 4: Simplify right side
   2,370.67x = 4,327,659.25
5. Step 5: Solve for x
   x = 4,327,659.25/2,370.67
6. Step 6: Final answer
   x = 1,825.50